um: merge HOST_... of registers common on i386 and amd64

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/arch/x86/um/ptrace_64.c b/arch/x86/um/ptrace_64.c
index 44e68e0..6e6343e 100644
--- a/arch/x86/um/ptrace_64.c
+++ b/arch/x86/um/ptrace_64.c
@@ -30,13 +30,13 @@
 	[R15 >> 3] = HOST_R15,
 	[RIP >> 3] = HOST_IP,
 	[RSP >> 3] = HOST_SP,
-	[RAX >> 3] = HOST_RAX,
-	[RBX >> 3] = HOST_RBX,
-	[RCX >> 3] = HOST_RCX,
-	[RDX >> 3] = HOST_RDX,
-	[RSI >> 3] = HOST_RSI,
-	[RDI >> 3] = HOST_RDI,
-	[RBP >> 3] = HOST_RBP,
+	[RAX >> 3] = HOST_AX,
+	[RBX >> 3] = HOST_BX,
+	[RCX >> 3] = HOST_CX,
+	[RDX >> 3] = HOST_DX,
+	[RSI >> 3] = HOST_SI,
+	[RDI >> 3] = HOST_DI,
+	[RBP >> 3] = HOST_BP,
 	[CS >> 3] = HOST_CS,
 	[SS >> 3] = HOST_SS,
 	[FS_BASE >> 3] = HOST_FS_BASE,