soc/amd/picasso/fch: make sb_clk_output_48Mhz static

sb_clk_output_48Mhz is only used in fch.c where it is also implemented,
so no need to have it visible outside of that compilation unit.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I2b0d10ff26bdf54ea791aa66bf400578466d54cf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56525
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions