nubus: Remove cast to void pointer

Casting void pointers to other pointer types is unnecessary.
Signed-off-by: NHimanshu Jha <himanshujha199640@gmail.com>
Link: https://lore.kernel.org/r/1503819148-11676-1-git-send-email-himanshujha199640@gmail.comSigned-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>

drivers/nubus/nubus.c

@@ -163,7 +163,7 @@ unsigned char *nubus_dirptr(const struct nubus_dirent *nd)
 void nubus_get_rsrc_mem(void *dest, const struct nubus_dirent *dirent,
 			unsigned int len)
 {
-	unsigned char *t = (unsigned char *)dest;
+	unsigned char *t = dest;
 	unsigned char *p = nubus_dirptr(dirent);
 
 	while (len) {