Enable native 4BA instructions for Spansion 25FL256S

Change-Id: I0ffc816ca714ecce5b89b1eaadb5e73ccb38d9ab
Signed-off-by: Nico Huber <nico.h@gmx.de>
Tested-by: Michael Fuckner <michael@fuckner.net>
Reviewed-on: https://review.coreboot.org/25134
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
diff --git a/flashchips.c b/flashchips.c
index c75e0b8..fdaaa2f 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -12524,7 +12524,7 @@
 		.total_size	= 32768,
 		.page_size	= 256,
 		/* OTP: 1024B total, 32B reserved; read 0x4B; write 0x42 */
-		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_ENTER_EAR7,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_EAR7,
 		.tested		= TEST_OK_PREW,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
@@ -12540,6 +12540,9 @@
 				.block_erase = spi_block_erase_20,
 			}, { */
 				.eraseblocks = { { 64 * 1024, 512} },
+				.block_erase = spi_block_erase_dc,
+			}, {
+				.eraseblocks = { { 64 * 1024, 512} },
 				.block_erase = spi_block_erase_d8,
 			}, {
 				.eraseblocks = { { 32768 * 1024, 1} },