modified configuration, to use power6 sgemm kernel for power8

kernel/power/KERNEL.POWER8

@@ -3,14 +3,14 @@
 #CGEMM_BETA = ../generic/zgemm_beta.c
 #ZGEMM_BETA = ../generic/zgemm_beta.c
 
-STRMMKERNEL	= ../generic/trmmkernel_2x2.c
+STRMMKERNEL	= gemm_kernel_power6.S
 DTRMMKERNEL	= dtrmm_kernel_16x4_power8.S
 CTRMMKERNEL	= ../generic/ztrmmkernel_2x2.c
 ZTRMMKERNEL	= ztrmm_kernel_8x2_power8.S
 
-SGEMMKERNEL    =  ../generic/gemmkernel_2x2.c
-SGEMMONCOPY    =  ../generic/gemm_ncopy_2.c
-SGEMMOTCOPY    =  ../generic/gemm_tcopy_2.c
+SGEMMKERNEL    =  gemm_kernel_power6.S
+SGEMMONCOPY    =  ../generic/gemm_ncopy_4.c
+SGEMMOTCOPY    =  ../generic/gemm_tcopy_4.c
 SGEMMONCOPYOBJ =  sgemm_oncopy.o
 SGEMMOTCOPYOBJ =  sgemm_otcopy.o
 

param.h

@@ -1968,8 +1968,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define GEMM_DEFAULT_OFFSET_B 1024
 #define GEMM_DEFAULT_ALIGN 0x03fffUL
 
-#define SGEMM_DEFAULT_UNROLL_M 2
-#define SGEMM_DEFAULT_UNROLL_N 2
+#define SGEMM_DEFAULT_UNROLL_M 4
+#define SGEMM_DEFAULT_UNROLL_N 4
 #define DGEMM_DEFAULT_UNROLL_M 16
 #define DGEMM_DEFAULT_UNROLL_N 4
 #define CGEMM_DEFAULT_UNROLL_M 2
@@ -1987,6 +1987,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define CGEMM_DEFAULT_Q  400
 #define ZGEMM_DEFAULT_Q  360
 
+#define SGEMM_DEFAULT_R 28800
 #define DGEMM_DEFAULT_R 14400
 #define ZGEMM_DEFAULT_R 7200