sh: kprobes: Remove unneeded kprobe_opcode_t casts

There is no need to cast a kprobe_opcode_t pointer to a kprobe_opcode_t
pointer.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/fc22b990d869fc2005990159d8072ae2774b1396.1709326528.git.geert+renesas@glider.beSigned-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>

arch/sh/kernel/kprobes.c

@@ -39,7 +39,7 @@ static DEFINE_PER_CPU(struct kprobe, saved_next_opcode2);
 
 int __kprobes arch_prepare_kprobe(struct kprobe *p)
 {
-	kprobe_opcode_t opcode = *(kprobe_opcode_t *) (p->addr);
+	kprobe_opcode_t opcode = *p->addr;
 
 	if (OPCODE_RTE(opcode))
 		return -EFAULT;	/* Bad breakpoint */
@@ -248,7 +248,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 	p = get_kprobe(addr);
 	if (!p) {
 		/* Not one of ours: let kernel handle it */
-		if (*(kprobe_opcode_t *)addr != BREAKPOINT_INSTRUCTION) {
+		if (*addr != BREAKPOINT_INSTRUCTION) {
 			/*
 			 * The breakpoint instruction was removed right
 			 * after we hit it. Another cpu has removed