intel/{gm45,x4x},i82801{ix|jx}: Move enable_smbus() call

Change-Id: Idc7631abb550b31af722ccf3b69afdc01fdb616e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38268
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/northbridge/intel/gm45/raminit.c

@@ -1723,9 +1723,6 @@ void raminit(sysinfo_t *const sysinfo, const int s3resume)
 		while (!(read8((u8 *)0xfed40000) & (1 << 7))) {}
 	}
 
-	/* Enable SMBUS. */
-	enable_smbus();
-
 	/* Collect information about DIMMs and find common settings. */
 	collect_dimm_config(sysinfo);