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>

src/northbridge/intel/pineview/early_init.c

@@ -43,7 +43,7 @@ static void early_graphics_setup(void)
 
 	pci_write_config8(D0F0, DEVEN, BOARD_DEVEN);
 
-	/* vram size from cmos option */
+	/* vram size from CMOS option */
 	if (get_option(&reg8, "gfx_uma_size") != CB_SUCCESS)
 		reg8 = 0;	/* 0 for 8MB */
 	/* make sure no invalid setting is used */