KVM: PPC: Restrict PPC_[L|ST]D macro to asm code

We only want asm code macros to be accessible from asm code, so #ifdef it
depending on it.
Signed-off-by: Alexander Graf <agraf@suse.de>

arch/powerpc/include/asm/kvm_asm.h

@@ -20,6 +20,7 @@
 #ifndef __POWERPC_KVM_ASM_H__
 #define __POWERPC_KVM_ASM_H__
 
+#ifdef __ASSEMBLY__
 #ifdef CONFIG_64BIT
 #define PPC_STD(sreg, offset, areg)  std sreg, (offset)(areg)
 #define PPC_LD(treg, offset, areg)   ld treg, (offset)(areg)
@@ -27,6 +28,7 @@
 #define PPC_STD(sreg, offset, areg)  stw sreg, (offset+4)(areg)
 #define PPC_LD(treg, offset, areg)   lwz treg, (offset+4)(areg)
 #endif
+#endif
 
 /* IVPR must be 64KiB-aligned. */
 #define VCPU_SIZE_ORDER 4