pinctrl: spacemit: PINCTRL_SPACEMIT_K1 should not default to y unconditionally

Merely enabling compile-testing should not enable additional
functionality.

Fixes: 7ff4faba63571c51 ("pinctrl: spacemit: enable config option")
Signed-off-by: Geert Uytterhoeven <[e-mail]>
Reviewed-by: Yixun Lan <[e-mail]>
Reviewed-by: Javier Martinez Canillas <[e-mail]>
Tested-by: Alex Elder <[e-mail]>
Reviewed-by: Alex Elder <[e-mail]>
Link: https://lore.kernel.org/6881b[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/spacemit/Kconfig

···
 	bool "SpacemiT K1 SoC Pinctrl driver"
 	depends on ARCH_SPACEMIT || COMPILE_TEST
 	depends on OF
-	default y
+	default ARCH_SPACEMIT
 	select GENERIC_PINCTRL_GROUPS
 	select GENERIC_PINMUX_FUNCTIONS
 	select GENERIC_PINCONF