mfd: ti_am335x_tscadc: Fix TI SoC dependencies

[ Upstream commit 284d16c456e5d4b143f375b8ccc4038ab3f4ee0f ]

The ti_am335x_tscadc is specific to some TI SoCs, update
the dependencies for those SoCs and compile testing.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Link: https://lore.kernel.org/r/20231220155643.445849-1-pbrobinson@gmail.com


Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>