pinctrl: intel: wrap Intel pin control drivers in an architecture check

The Intel pin control drivers are architecture specific so add an if arch
to check for X86 or compile test to ensure continued test coverage.
Signed-off-by: NPeter Robinson <pbrobinson@gmail.com>
Reviewed-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/intel/Kconfig

 #
 # Intel pin control drivers
 #
+if (X86 || COMPILE_TEST)
 
 config PINCTRL_BAYTRAIL
 	bool "Intel Baytrail GPIO pin control"
@@ -80,3 +81,5 @@ config PINCTRL_SUNRISEPOINT
 	  Sunrisepoint is the PCH of Intel Skylake. This pinctrl driver
 	  provides an interface that allows configuring of PCH pins and
 	  using them as GPIOs.
+
+endif