Remove trailing blanks that break the cmake parser

kernel/power/KERNEL.PPCG4

@@ -71,12 +71,12 @@ CSCALKERNEL	= zscal_ppc440.S
 ZSCALKERNEL	= zscal_ppc440.S
 
 SGEMMKERNEL    =  gemm_kernel_g4.S
-SGEMMINCOPY    = 
-SGEMMITCOPY    = 
+SGEMMINCOPY    =
+SGEMMITCOPY    =
 SGEMMONCOPY    =  gemm_ncopy_4.S
 SGEMMOTCOPY    =  gemm_tcopy_4.S
-SGEMMINCOPYOBJ = 
-SGEMMITCOPYOBJ = 
+SGEMMINCOPYOBJ =
+SGEMMITCOPYOBJ =
 SGEMMONCOPYOBJ =  sgemm_oncopy$(TSUFFIX).$(SUFFIX)
 SGEMMOTCOPYOBJ =  sgemm_otcopy$(TSUFFIX).$(SUFFIX)
 DGEMMKERNEL    =  gemm_kernel_g4.S