Use generic SDOT kernel for WASM128_GENERIC

Author: teddygood

kernel/wasm/KERNEL.WASM128_GENERIC

@@ -55,7 +55,7 @@ DCOPYKERNEL  = ../riscv64/copy.c
 CCOPYKERNEL  = ../riscv64/zcopy.c
 ZCOPYKERNEL  = ../riscv64/zcopy.c
 
-SDOTKERNEL   = ../riscv64/dot.c
+SDOTKERNEL   = ../generic/dot.c
 DDOTKERNEL   = ../riscv64/dot.c
 CDOTKERNEL   = ../riscv64/zdot.c
 ZDOTKERNEL   = ../riscv64/zdot.c