mach-snapdragon: use PSCI sysreset driver

Drop the `board_reset` function from mach-snapdragon board code, and
instead use the standard PSCI sysreset driver.

Signed-off-by: Sam Day <me@samcday.com>
Link: https://lore.kernel.org/r/20250125-msm8916-sysreset-v1-1-62073932ff0e@samcday.com
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
2 files changed