MIPS: Add struct p_format to union mips_instruction.

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/inst.h

@@ -353,6 +353,7 @@ union mips_instruction {
 	struct u_format u_format;
 	struct c_format c_format;
 	struct r_format r_format;
+	struct p_format p_format;
 	struct f_format f_format;
 	struct ma_format ma_format;
 	struct b_format b_format;