include/spi-generic: Append unit to macro names

This patch appends a unit (milliseconds) to time-out macro names for
better understanding the code which is using the macros.

Change-Id: Ibc4beda2660a83fd5f0ed325b2ee3148c6d96639
Signed-off-by: Uwe Poeche <uwe.poeche@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34384
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/common/spi.c b/src/southbridge/intel/common/spi.c
index 6fece4f..3244808 100644
--- a/src/southbridge/intel/common/spi.c
+++ b/src/southbridge/intel/common/spi.c
@@ -726,7 +726,7 @@
 	u32 start, end, erase_size;
 	int ret;
 	uint16_t hsfc;
-	unsigned int timeout = 1000 * SPI_FLASH_SECTOR_ERASE_TIMEOUT;
+	unsigned int timeout = 1000 * SPI_FLASH_SECTOR_ERASE_TIMEOUT_MS;
 
 	erase_size = flash->sector_size;
 	if (offset % erase_size || len % erase_size) {