message: start_item_riscv32: Fix typo in assembly comment
diff: @@ -78,7 +78,7 @@ pub unsafe extern "C" fn _start() -> ! {
  //
  // memop(11, stacktop + appdata_size);
  li a0, 4 // a0 = 4 // memop syscall
  - li a1, 11 // a1 = 10
  + li a1, 11 // a1 = 11
  mv a2, t1 // a2 = appdata_size
  ecall // memop
  //
  