riscv: Update SiFive device tree for new CLINT driver

We currently do this in a u-boot specific dts, but hopefully we can get
these bindings added in Linux in the future.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@openfive.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2 files changed