musicpal: Fix flash mapping

The old arithmetic assumed 32 physical address bits which is no longer
true for ARM since 3cc0cd61.

Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

hw/musicpal.c

@@ -1583,7 +1583,7 @@ static void musicpal_init(ram_addr_t ram_size,
          * image is smaller than 32 MB.
          */
 #ifdef TARGET_WORDS_BIGENDIAN
-        pflash_cfi02_register(0-MP_FLASH_SIZE_MAX, NULL,
+        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
                               "musicpal.flash", flash_size,
                               dinfo->bdrv, 0x10000,
                               (flash_size + 0xffff) >> 16,
@@ -1591,7 +1591,7 @@ static void musicpal_init(ram_addr_t ram_size,
                               2, 0x00BF, 0x236D, 0x0000, 0x0000,
                               0x5555, 0x2AAA, 1);
 #else
-        pflash_cfi02_register(0-MP_FLASH_SIZE_MAX, NULL,
+        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
                               "musicpal.flash", flash_size,
                               dinfo->bdrv, 0x10000,
                               (flash_size + 0xffff) >> 16,