Revert "arch/riscv: Do not use irq_lock() on arch_irq_offload"

This reverts commit b0458201ccd272f4d7e5b7fddbca952f77f67a3c.

The purpose of this commit will be reintroduced later on top of
a cleaner codebase.

Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
1 file changed