Meta: Support debugging the riscv64 kernel

Author: https://github.com/IdanHo
Commit: 8a86218e25
Pull-request: https://github.com/SerenityOS/serenity/pull/24072
Reviewed-by: https://github.com/spholz

Meta/debug-kernel.sh

@@ -46,6 +46,10 @@ elif [ "$SERENITY_ARCH" = "aarch64" ]; then
     gdb_arch=aarch64:armv8-r
     prekernel_image=Prekernel
     kernel_base=0x0
+elif [ "$SERENITY_ARCH" = "riscv64" ]; then
+    gdb_arch=riscv:rv64
+    prekernel_image=Prekernel
+    kernel_base=0x0
 fi
 
 # FIXME: This doesn't work when running QEMU inside the WSL2 VM