[PATCH v2] soc: nuvoton: Fix Kconfig

["Jonathan Neuschäfer" <j.neuschaefer@gmx.net>]

Unfortunately, version 5 of the Nuvoton WPCM450 SoC driver was applied
to bmc.git, which misses a few fixes that were in version 6.

This patch adds the missing fixes:

 - Add a menu "Nuvoton SoC drivers" to make it easier to add other
   Nuvoton SoC drivers later on and to prevent asking about the Nuvoton
   WPCM450 SoC driver when configuring a kernel without support for
   Nuvoton SoCs.
 - Select CONFIG_REGMAP from CONFIG_WPCM450_SOC, because the driver
   relies on regmap to work.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/lkml/CAMuHMdWo5vHCeE6BeSHrUy12uT7_wFhW-VbQmQ5u+4Q8c7-wYQ@mail.gmail.com/
Fixes: 77b8c67b5637 ("soc: nuvoton: Add SoC info driver for WPCM450")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
---

v2:
- Commit message improvements, as suggested by Geert Uytterhoeven.
- Add Link after Reviewed-by, as checkpatch.pl now suggests
---
 drivers/soc/nuvoton/Kconfig | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/nuvoton/Kconfig b/drivers/soc/nuvoton/Kconfig
index df46182088ec2..2167d3d739d84 100644
--- a/drivers/soc/nuvoton/Kconfig
+++ b/drivers/soc/nuvoton/Kconfig
@@ -1,11 +1,17 @@
 # SPDX-License-Identifier: GPL-2.0
-menuconfig WPCM450_SOC
+menu "Nuvoton SoC drivers"
+	depends on ARCH_NPCM || COMPILE_TEST
+
+config WPCM450_SOC
 	tristate "Nuvoton WPCM450 SoC driver"
 	default y if ARCH_WPCM450
 	select SOC_BUS
+	select REGMAP
 	help
 	  Say Y here to compile the SoC information driver for Nuvoton
 	  WPCM450 SoCs.

 	  This driver provides information such as the SoC model and
 	  revision.
+
+endmenu
--
2.39.1