nb/intel/pineview: Guard {MCH,DMI,EP}BAR macros

Guarding the MCHBAR macro breaks reproducibility, but should not have
any functional impact.

Change-Id: I8be8d7b8a0f289d2be76d3dec43999f6b42e3265
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49746
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/pineview/pineview.h b/src/northbridge/intel/pineview/pineview.h
index 64948c0..a5bef59 100644
--- a/src/northbridge/intel/pineview/pineview.h
+++ b/src/northbridge/intel/pineview/pineview.h
@@ -34,7 +34,7 @@
 
 #define MCHBAR8(x)  (*((volatile u8  *)(DEFAULT_MCHBAR + (x))))
 #define MCHBAR16(x) (*((volatile u16 *)(DEFAULT_MCHBAR + (x))))
-#define MCHBAR32(x) (*((volatile u32 *)(DEFAULT_MCHBAR +  x)))	/* FIXME: causes changes */
+#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))
@@ -53,17 +53,17 @@
  * EPBAR - Egress Port Root Complex Register Block
  */
 
-#define EPBAR8(x)  *((volatile u8  *)(DEFAULT_EPBAR + (x)))
-#define EPBAR16(x) *((volatile u16 *)(DEFAULT_EPBAR + (x)))
-#define EPBAR32(x) *((volatile u32 *)(DEFAULT_EPBAR + (x)))
+#define EPBAR8(x)  (*((volatile u8  *)(DEFAULT_EPBAR + (x))))
+#define EPBAR16(x) (*((volatile u16 *)(DEFAULT_EPBAR + (x))))
+#define EPBAR32(x) (*((volatile u32 *)(DEFAULT_EPBAR + (x))))
 
 /*
  * DMIBAR
  */
 
-#define DMIBAR8(x)  *((volatile u8  *)(DEFAULT_DMIBAR + (x)))
-#define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + (x)))
-#define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + (x)))
+#define DMIBAR8(x)  (*((volatile u8  *)(DEFAULT_DMIBAR + (x))))
+#define DMIBAR16(x) (*((volatile u16 *)(DEFAULT_DMIBAR + (x))))
+#define DMIBAR32(x) (*((volatile u32 *)(DEFAULT_DMIBAR + (x))))
 
 void pineview_early_init(void);
 u32 decode_igd_memory_size(const u32 gms);