flash/nor/at91sam4: remove FWS=6, rename at91samg to atsamg

FWS=6 workaround removed, as this appears to be a copy-paste error
from the SAM3X family. Originally addressed in http://openocd.zylin.com/3837
but not all occurences were removed.

Atmel changed chip naming and removed 91 prefix for atsamg, samd...

Change-Id: Ia2b43da82b2ff9b1c85fdb456a0a198ab095243d
Signed-off-by: Tomas Vanek <[email protected]>
Reviewed-on: http://openocd.zylin.com/3926
Tested-by: jenkins
Reviewed-by: Freddie Chopin <[email protected]>

src/flash/nor/at91sam4.c

@@ -464,7 +464,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 			.bank_number = 0,
 			.base_address = FLASH_BANK_BASE_S,
 			.controller_address = 0x400e0a00,
-			.flash_wait_states = 6,	/* workaround silicon bug */
+			.flash_wait_states = 5,
 			.present = 1,
 			.size_bytes =  1024 * 1024,
 			.nsectors   =  128,
@@ -499,7 +499,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 			.bank_number = 0,
 			.base_address = FLASH_BANK_BASE_S,
 			.controller_address = 0x400e0a00,
-			.flash_wait_states = 6,	/* workaround silicon bug */
+			.flash_wait_states = 5,
 			.present = 1,
 			.size_bytes =  512 * 1024,
 			.nsectors   =  64,
@@ -532,7 +532,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 			.bank_number = 0,
 			.base_address = FLASH_BANK_BASE_S,
 			.controller_address = 0x400e0a00,
-			.flash_wait_states = 6,	/* workaround silicon bug */
+			.flash_wait_states = 5,
 			.present = 1,
 			.size_bytes =  512 * 1024,
 			.nsectors   =  64,
@@ -565,7 +565,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 			.bank_number = 0,
 			.base_address = FLASH_BANK_BASE_S,
 			.controller_address = 0x400e0a00,
-			.flash_wait_states = 6,	/* workaround silicon bug */
+			.flash_wait_states = 5,
 			.present = 1,
 			.size_bytes =  512 * 1024,
 			.nsectors   =  64,
@@ -598,7 +598,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 			.bank_number = 0,
 			.base_address = FLASH_BANK_BASE_S,
 			.controller_address = 0x400e0a00,
-			.flash_wait_states = 6,	/* workaround silicon bug */
+			.flash_wait_states = 5,
 			.present = 1,
 			.size_bytes =  1024 * 1024,
 			.nsectors   =  128,
@@ -631,7 +631,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 			.bank_number = 0,
 			.base_address = FLASH_BANK_BASE_S,
 			.controller_address = 0x400e0a00,
-			.flash_wait_states = 6,	/* workaround silicon bug */
+			.flash_wait_states = 5,
 			.present = 1,
 			.size_bytes =  1024 * 1024,
 			.nsectors   =  128,
@@ -1279,7 +1279,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 				.bank_number = 0,
 				.base_address = FLASH_BANK0_BASE_SD,
 				.controller_address = 0x400e0a00,
-				.flash_wait_states = 6,	/* workaround silicon bug */
+				.flash_wait_states = 5,
 				.present = 1,
 				.size_bytes =  512 * 1024,
 				.nsectors   =  64,
@@ -1295,7 +1295,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 				.bank_number = 1,
 				.base_address = FLASH_BANK1_BASE_1024K_SD,
 				.controller_address = 0x400e0c00,
-				.flash_wait_states = 6,	/* workaround silicon bug */
+				.flash_wait_states = 5,
 				.present = 1,
 				.size_bytes =  512 * 1024,
 				.nsectors   =  64,
@@ -1305,10 +1305,10 @@ static const struct sam4_chip_details all_sam4_details[] = {
 		},
 	},
 
-	/* at91samg53n19 */
+	/* atsamg53n19 */
 	{
 		.chipid_cidr    = 0x247e0ae0,
-		.name           = "at91samg53n19",
+		.name           = "atsamg53n19",
 		.total_flash_size     = 512 * 1024,
 		.total_sram_size      = 96 * 1024,
 		.n_gpnvms       = 2,
@@ -1323,7 +1323,7 @@ static const struct sam4_chip_details all_sam4_details[] = {
 				.bank_number = 0,
 				.base_address = FLASH_BANK_BASE_S,
 				.controller_address = 0x400e0a00,
-				.flash_wait_states = 6,	/* workaround silicon bug */
+				.flash_wait_states = 5,
 				.present = 1,
 				.size_bytes =  512 * 1024,
 				.nsectors   =  64,