nb/intel/i945: Remove initialization already done at bootblock

Upper 128bytes of CMOS and RCBA are already enabled at bootblock.
Tested on 945g-MA. Resuming from suspend is working fine

Change-Id: I3f34380b0e700cf60688ad58465f9cb0aeda0928
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/31107
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/northbridge/intel/i945/raminit.c

@@ -2414,9 +2414,6 @@ static void sdram_program_receive_enable(struct sys_info *sysinfo)
 {
 	MCHBAR32(REPC) |= (1 << 0);
 
-	/* enable upper CMOS */
-	RCBA32(0x3400) = (1 << 2);
-
 	/* Program Receive Enable Timings */
 	if (sysinfo->boot_path == BOOT_PATH_RESUME) {
 		sdram_recover_receive_enable();