Port to latest GCC and fix CD loading bug

include/PSX/System/IOPorts/dma_io.hpp

@@ -85,7 +85,8 @@ namespace JabyEngine {
             }
         );
 
-        struct __no_align Registers {
+        #pragma pack(push, 1)
+        struct Registers {
             MADR_v  adr;
             BCR_v   block_ctrl;
             CHCHR_v channel_ctrl;
@@ -98,6 +99,7 @@ namespace JabyEngine {
                 while(this->channel_ctrl.is_set(CHCHR_t::Busy));
             }
         };
+        #pragma pack(pop)
 
         // Those types do not need to be volatile because there members are
         typedef Registers MDECin_v;