treewide: Capitalize 'CMOS'

Change-Id: I1d36e554618498d70f33f6c425b0abc91d4fb952
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38928
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Peter Lemenkov <lemenkov@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c
index 1deca3e..44d2584 100644
--- a/src/northbridge/intel/i945/early_init.c
+++ b/src/northbridge/intel/i945/early_init.c
@@ -161,7 +161,7 @@
 	pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR, (uintptr_t)DEFAULT_DMIBAR | 1);
 	pci_write_config32(PCI_DEV(0, 0x00, 0), X60BAR, DEFAULT_X60BAR | 1);
 
-	/* vram size from cmos option */
+	/* vram size from CMOS option */
 	if (get_option(&gfxsize, "gfx_uma_size") != CB_SUCCESS)
 		gfxsize = 2;	/* 2 for 8MB */
 	/* make sure no invalid setting is used */