flashchips.c: ATMEL->Atmel for consistency

Replace the single instance where a vendor name was spelled
inconsistently.

Signed-off-by: Alan Green <avg@google.com>
Change-Id: I6478bc29f640f789f3b35e7b4816133f4a0d292e
Reviewed-on: https://review.coreboot.org/c/flashrom/+/33829
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/flashchips.c b/flashchips.c
index f7ee829..8bbf15b 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -2325,7 +2325,7 @@
 	},
 
 	{
-		.vendor		= "ATMEL",
+		.vendor		= "Atmel",
 		.name		= "AT25SL128A",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= ATMEL_ID,