ARM: uniphier: move CONFIG_SUPPORT_CARD_* macros to local file

It is no longer necessary to define CONFIG_SUPPORT_CARD_* globally.
Move them to a C file as local macros.  Also, rename the C file.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile
index 5f17557..df6a569 100644
--- a/arch/arm/mach-uniphier/Makefile
+++ b/arch/arm/mach-uniphier/Makefile
@@ -29,7 +29,7 @@
 
 obj-y += timer.o
 
-obj-$(CONFIG_MICRO_SUPPORT_CARD) += support_card.o
+obj-$(CONFIG_MICRO_SUPPORT_CARD) += micro-support-card.o
 
 obj-$(CONFIG_MACH_PH1_SLD3)	+= ph1-sld3/
 obj-$(CONFIG_MACH_PH1_LD4)	+= ph1-ld4/