tpl: Ensure all TPL symbols in Kconfig have some TPL dependency

Tighten up symbol dependencies in a number of places.  Ensure that a TPL
specific option has at least a direct dependency on TPL.  In places
where it's clear that we depend on something more specific, use that
dependency instead.

Reported-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/power/acpi_pmc/Kconfig b/drivers/power/acpi_pmc/Kconfig
index fcd50e3..355d161 100644
--- a/drivers/power/acpi_pmc/Kconfig
+++ b/drivers/power/acpi_pmc/Kconfig
@@ -17,6 +17,7 @@
 
 config TPL_ACPI_PMC
 	bool "Power Manager (x86 PMC) support in TPL"
+	depends on TPL
 	default y if ACPI_PMC
 	help
 	  Enable support for an x86-style power-management controller which