ASoC: samsung: Remove non-existing MACH dependencies

MACH_SMDKC100 was removed in commit b8529ec1 ("ARM: S5PC100: no more
support S5PC100 SoC"). MACH_SMDKV210 and MACH_SMDKC110 in commit
28c8331d ("ARM: S5PV210: Remove support for board files").

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>