loongarch64: Fixed clang compilation issues

kernel/loongarch64/zgemv_n_4_lasx.S

@@ -298,7 +298,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
     PROLOGUE
     PTR_LD     INC_Y,  $sp,    0
-    push_if_used 17 + 7, 31
+    push_if_used 7, 7
     PTR_ADDI   K,      $r0,     0x01
     PTR_SUB    I,      INC_X,   K
     PTR_SUB    J,      INC_Y,   K
@@ -337,7 +337,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .L_GAP_1_1: /* if (inc_x != 1) && (incy != 1) */
     ZGEMV_N_LASX GAP_1_1, X_4_GAP, X_1, Y_4_GAP, Y_1
 .L_END:
-    pop_if_used 17 + 7, 31
+    pop_if_used 7, 7
     jirl    $r0, $r1, 0x0
     EPILOGUE