lib: Delete redundant ulong

In `csr_read_allowed` and `csr_write_allowed` macros, has already
converted second param to `ulong`. So delete redundant `ulong`
where uses csr_read/write_allowed macros.

Signed-off-by: Zhang RunMin <runmin.zhang@ingenic.com>
Reviewed-by: Anup Patel <anup@brainfault.org>

lib/utils/irqchip/imsic.c

@@ -241,7 +241,7 @@ void imsic_local_irqchip_init(void)
 	 */
 
 	/* If Smaia not available then do nothing */
-	csr_read_allowed(CSR_MTOPI, (ulong)&trap);
+	csr_read_allowed(CSR_MTOPI, &trap);
 	if (trap.cause)
 		return;