flashchips: Fix N25Q512 bulk erase

The N25Q is a stacked device, so it requires 0xC4 to perform a die
erase.

Signed-off-by: Jacob Creedon <jcreedon@google.com>
Change-Id: Ib408fbe5633abd8b657e3907142b997e88b33f84
Reviewed-on: https://review.coreboot.org/c/flashrom/+/34489
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67847
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
---
M flashchips.c
1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/flashchips.c b/flashchips.c
index d85ea74..4dc50f7 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -10555,8 +10555,8 @@
 				.eraseblocks = { {64 * 1024, 1024} },
 				.block_erase = spi_block_erase_d8,
 			}, {
-				.eraseblocks = { {65536 * 1024, 1} },
-				.block_erase = spi_block_erase_c7,
+				.eraseblocks = { {32768 * 1024, 2} },
+				.block_erase = spi_block_erase_c4,
 			}
 		},
 		.printlock	= spi_prettyprint_status_register_n25q, /* TODO: config, lock, flag regs */

