Remove unnecessary cast when using the address_space API

This commit was produced with the included Coccinelle script
scripts/coccinelle/exec_rw_const.

Two lines in hw/net/dp8393x.c that Coccinelle produced that
were over 80 characters were re-wrapped by hand.

Suggested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

target/s390x/mmu_helper.c

@@ -106,7 +106,7 @@ static inline bool read_table_entry(CPUS390XState *env, hwaddr gaddr,
      * We treat them as absolute addresses and don't wrap them.
      */
     if (unlikely(address_space_read(cs->as, gaddr, MEMTXATTRS_UNSPECIFIED,
-                                    (uint8_t *)entry, sizeof(*entry)) !=
+                                    entry, sizeof(*entry)) !=
                  MEMTX_OK)) {
         return false;
     }