elfload: use abi_llong/ullong instead of target_llong/ullong

The alignment is a characteristic of the ABI, not the CPU.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 14a8ecf..979b57c 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -102,8 +102,8 @@
 #endif
 
 #ifdef TARGET_ABI_MIPSN32
-typedef target_ulong    target_elf_greg_t;
-#define tswapreg(ptr)   tswapl(ptr)
+typedef abi_ullong      target_elf_greg_t;
+#define tswapreg(ptr)   tswap64(ptr)
 #else
 typedef abi_ulong       target_elf_greg_t;
 #define tswapreg(ptr)   tswapal(ptr)