MIPS: Use phys_addr_t instead of phys_t

Ralf Baechle says:
 "This should have been part of the merge commit c0222ac08666 (Merge
  branch 'upstream' of git://git.linux-mips.org/pub/scm/-
  ralf/upstream-linus) but I forgot to mention the need for this in my
  pull request"

Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index a8c20af..0589290 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -493,7 +493,7 @@
 
 static int __init early_parse_mem(char *p)
 {
-	phys_t start, size;
+	phys_addr_t start, size;
 
 	/*
 	 * If a user specifies memory size, we