nb/intel/pineview: Change signature of decode_pciebar

Rename it and make it return an int, like other northbridges do.

Change-Id: Id526ff893320a77e96767ec642c196c2196f84e1
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44139
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/northbridge/intel/pineview/memmap.c

@@ -15,7 +15,7 @@
 #include <cpu/intel/smm_reloc.h>
 #include <stdint.h>
 
-u8 decode_pciebar(u32 *const base, u32 *const len)
+int decode_pcie_bar(u32 *const base, u32 *const len)
 {
 	*base = 0;
 	*len = 0;