cmd/cgo: add mips64p32* to ptrSizeMap and intSizeMap

    
    Reviewed-on: https://go-review.googlesource.com/46152

From-SVN: r249475

gcc/go/gofrontend/MERGE

-c49c752b4d2934cff325dd540821c4b27cc61a05
+5a97e51022e3b7798f985714ced3e02d6e730b54
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

libgo/go/cmd/cgo/main.go

@@ -153,6 +153,8 @@ var ptrSizeMap = map[string]int64{
 	"mipsle":      4,
 	"mips64":      8,
 	"mips64le":    8,
+	"mips64p32":   4,
+	"mips64p32le": 4,
 	"ppc":         4,
 	"ppc64":       8,
 	"ppc64le":     8,
@@ -177,6 +179,8 @@ var intSizeMap = map[string]int64{
 	"mipsle":      4,
 	"mips64":      8,
 	"mips64le":    8,
+	"mips64p32":   8,
+	"mips64p32le": 8,
 	"ppc":         4,
 	"ppc64":       8,
 	"ppc64le":     8,