ASoC: SOF: amd: Add depends on CPU_SUP_AMD

ASoC: SOF: amd: Add depends on CPU_SUP_AMD

When SMN support was switched to the kernel wide AMD_NODE instead of
local implementation this broke compilation on the allyesconfig for
some architectures.  AMD_NODE is only supported on AMD platforms, so
modify all the AMD drivers that use it to also require CPU_SUP_AMD.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-next/20250220160950.2cd64bdb@canb.auug.org.au/
Fixes: f120cf33d232 ("ASoC: SOF: amd: Use AMD_NODE")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20250220184822.916090-1-superm1@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>