nb/intel/sandybridge: Drop `void *` cast in `MCHBAR32`

This changes the binary for the native raminit code path.

Tested on Asus P8Z77-V LX2, still boots with native raminit.

Change-Id: Ie8f1205a64e5264cb909d67c1dd402c18a6241ad
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45350
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index cfc37c8..7b008e8 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -60,7 +60,7 @@
 
 #define MCHBAR8(x)  (*((volatile u8  *)(DEFAULT_MCHBAR + (x))))
 #define MCHBAR16(x) (*((volatile u16 *)(DEFAULT_MCHBAR + (x))))
-#define MCHBAR32(x) (*((volatile u32 *)((void *)DEFAULT_MCHBAR + (x))))
+#define MCHBAR32(x) (*((volatile u32 *)(DEFAULT_MCHBAR + (x))))
 #define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
 #define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
 #define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))