powerpc/probes: Remove ppc_opcode_t

ppc_opcode_t is just an u32. There is no point in hiding u32
behind such a typedef. Remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b2d762191b095530789ac8b71b167c6740bb6aed.1657205708.git.christophe.leroy@csgroup.eu

arch/powerpc/include/asm/kprobes.h

@@ -29,7 +29,7 @@
 struct pt_regs;
 struct kprobe;
 
-typedef ppc_opcode_t kprobe_opcode_t;
+typedef u32 kprobe_opcode_t;
 
 extern kprobe_opcode_t optinsn_slot;
 

arch/powerpc/include/asm/probes.h

@@ -10,7 +10,6 @@
 #include <linux/types.h>
 #include <asm/disassemble.h>
 
-typedef u32 ppc_opcode_t;
 #define BREAKPOINT_INSTRUCTION	0x7fe00008	/* trap */
 
 /* Trap definitions per ISA */

arch/powerpc/include/asm/uprobes.h

@@ -12,7 +12,7 @@
 #include <linux/notifier.h>
 #include <asm/probes.h>
 
-typedef ppc_opcode_t uprobe_opcode_t;
+typedef u32 uprobe_opcode_t;
 
 #define MAX_UINSN_BYTES		8
 #define UPROBE_XOL_SLOT_BYTES	(MAX_UINSN_BYTES)