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/core/Kconfig b/drivers/core/Kconfig
index 9b9a714..d3fe1d4 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -224,7 +224,7 @@
 
 config TPL_SYSCON
 	bool "Support system controllers in TPL"
-	depends on SPL_REGMAP
+	depends on TPL_REGMAP
 	help
 	  Many SoCs have a number of system controllers which are dealt with
 	  as a group by a single driver. Some common functionality is provided
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
diff --git a/drivers/ram/Kconfig b/drivers/ram/Kconfig
index a4f9f1a..7c34618 100644
--- a/drivers/ram/Kconfig
+++ b/drivers/ram/Kconfig
@@ -19,7 +19,7 @@
 
 config TPL_RAM
 	bool "Enable RAM support in TPL"
-	depends on RAM
+	depends on RAM && TPL
 	help
 	  The RAM subsystem adds a small amount of overhead to the image.
 	  If this is acceptable and you have a need to use RAM drivers in