crypto: vmx - Align the short log with Makefile cleanups

I notieced the log is not properly aligned:

  PERL drivers/crypto/vmx/aesp8-ppc.S
  CC [M]  fs/xfs/xfs_reflink.o
  PERL drivers/crypto/vmx/ghashp8-ppc.S
  CC [M]  drivers/crypto/vmx/aes.o

Add some spaces after 'PERL'.

While I was here, I cleaned up the Makefile:

 - Merge the two similar rules

 - Remove redundant 'clean-files' (Having 'targets' is enough)

 - Move the flavour into the build command

This still avoids the build failures fixed by commit 4ee812f614
("crypto: vmx - Avoid weird build failures").

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/vmx/Makefile

@@ -2,21 +2,10 @@
 obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o
 vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o aes_xts.o ghash.o
 
-ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
-override flavour := linux-ppc64le
-else
-override flavour := linux-ppc64
-endif
-
-quiet_cmd_perl = PERL $@
-      cmd_perl = $(PERL) $(<) $(flavour) > $(@)
+quiet_cmd_perl = PERL    $@
+      cmd_perl = $(PERL) $< $(if $(CONFIG_LITTLE_ENDIAN), linux-ppc64le, linux-ppc64) > $@
 
 targets += aesp8-ppc.S ghashp8-ppc.S
 
-$(obj)/aesp8-ppc.S: $(src)/aesp8-ppc.pl FORCE
+$(obj)/aesp8-ppc.S $(obj)/ghashp8-ppc.S: $(obj)/%.S: $(src)/%.pl FORCE
 	$(call if_changed,perl)
-  
-$(obj)/ghashp8-ppc.S: $(src)/ghashp8-ppc.pl FORCE
-	$(call if_changed,perl)
-
-clean-files := aesp8-ppc.S ghashp8-ppc.S