Enable CONFIG_TIMER_EARLY to allow udelay() calls during early initialization phases. This is required for proper timing operations before the full timer driver is available. Signed-off-by: Raymond Mao <raymond.mao@riscstar.com> Signed-off-by: Guodong Xu <guodong@riscstar.com> Tested-by: Songsong Zhang <sszhang@vsit.ai>