reset: lpc18xx: add driver Kconfig option

Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.

Acked-by: Joachim Eastwood <manabian@gmail.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 1194cbe..72c9b78 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -27,6 +27,12 @@
 	help
 	  This enables the reset controller driver for Marvell Berlin SoCs.
 
+config RESET_LPC18XX
+	bool "LPC18xx/43xx Reset Driver" if COMPILE_TEST
+	default ARCH_LPC18XX
+	help
+	  This enables the reset controller driver for NXP LPC18xx/43xx SoCs.
+
 config RESET_OXNAS
 	bool