second instance of misspelled 'unaligned'

Author: Bob Abeles

ports/raspberrypi/common-hal/memorymap/AddressRange.c

@@ -122,7 +122,7 @@ void common_hal_memorymap_addressrange_get_bytes(const memorymap_addressrange_ob
         case IO:
             if ((size_t)src_addr & 0x03 || len & 0x03) {
                 // Unaligned access or unaligned length not supported by RP2 for IO registers
-                mp_raise_RuntimeError(translate("Unable to access unaliged IO register"));
+                mp_raise_RuntimeError(translate("Unable to access unaligned IO register"));
             } else {
                 // Aligned access and length, use 32-bit reads
                 uint32_t *src_addr32 = (uint32_t *)src_addr;