loongarch64: Fixed clang compilation issues

kernel/loongarch64/sgemv_t_8_lasx.S

@@ -369,7 +369,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
     PROLOGUE
     PTR_LD     INC_Y,  $sp,    0
-    push_if_used 17 + 8, 18
+    push_if_used 8, 0
     PTR_ADDI   K,      $r0,     0x01
     PTR_SUB    I,      INC_X,   K
     maskeqz    I,      K,       I  /* if(inc_x == 1) I = 0; else I = 1; */
@@ -400,6 +400,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .L_GAP_1: /* if (incx != 1) */
     SGEMV_T_LASX GAP_1, X8_GAP, X4_GAP
 .L_END:
-    pop_if_used 17 + 8, 18
+    pop_if_used 8, 0
     jirl    $r0, $r1, 0x0
     EPILOGUE