mb/(ICH7): Remove initialization already done at early_init.c

V1CAP is a write-once register, and it is already programmed in
intel/i945/early_init.c.
Tested on 945G-M4 board (i945G + 82801GB).

Change-Id: I4469cb7505d584f10c98aec579a2d78bf1950bf3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31004
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/mainboard/getac/p470/romstage.c

@@ -146,7 +146,6 @@ static void rcba_config(void)
 {
 	/* Set up virtual channel 0 */
 	//RCBA32(0x0014) = 0x80000001;
-	//RCBA32(0x001c) = 0x03128010;
 
 	/* Device 1f interrupt pin register */
 	RCBA32(D31IP) = 0x00042220;