sh: Rename opcode_t to insn_size_t.

This is now clashing with a driver, so just rename it.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 7c747e7..305aad7 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -47,7 +47,7 @@
 /* Calculate the new address for after a step */
 static short *get_step_address(struct pt_regs *linux_regs)
 {
-	opcode_t op = __raw_readw(linux_regs->pc);
+	insn_size_t op = __raw_readw(linux_regs->pc);
 	long addr;
 
 	/* BT */
@@ -134,7 +134,7 @@
  */
 
 static unsigned long stepped_address;
-static opcode_t stepped_opcode;
+static insn_size_t stepped_opcode;
 
 static void do_single_step(struct pt_regs *linux_regs)
 {