MIPS: Fix KGDB build error

<asm/ptrace.h> is exported to userland so can't include <linux/ptrace.h>,
so replace the C99 types with their basic C type equivalents.

Bug originally reported and initial patch by Yoichi Yuasa
<yoichi_yuasa@tripeaks.co.jp>.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/ptrace.h

@@ -80,25 +80,25 @@ enum pt_watch_style {
 	pt_watch_style_mips64
 };
 struct mips32_watch_regs {
-	uint32_t watchlo[8];
+	unsigned int watchlo[8];
 	/* Lower 16 bits of watchhi. */
-	uint16_t watchhi[8];
+	unsigned short watchhi[8];
 	/* Valid mask and I R W bits.
 	 * bit 0 -- 1 if W bit is usable.
 	 * bit 1 -- 1 if R bit is usable.
 	 * bit 2 -- 1 if I bit is usable.
 	 * bits 3 - 11 -- Valid watchhi mask bits.
 	 */
-	uint16_t watch_masks[8];
+	unsigned short watch_masks[8];
 	/* The number of valid watch register pairs.  */
-	uint32_t num_valid;
+	unsigned int num_valid;
 } __attribute__((aligned(8)));
 
 struct mips64_watch_regs {
-	uint64_t watchlo[8];
-	uint16_t watchhi[8];
-	uint16_t watch_masks[8];
-	uint32_t num_valid;
+	unsigned long long watchlo[8];
+	unsigned short watchhi[8];
+	unsigned short watch_masks[8];
+	unsigned int num_valid;
 } __attribute__((aligned(8)));
 
 struct pt_watch_regs {