Gemini: Add support for Teltonika RUT100

Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile
index e2835cd..719505b 100644
--- a/arch/arm/mach-gemini/Makefile
+++ b/arch/arm/mach-gemini/Makefile
@@ -5,3 +5,6 @@
 # Object file lists.
 
 obj-y			:= irq.o mm.o time.o devices.o gpio.o
+
+# Board-specific support
+obj-$(CONFIG_MACH_RUT100)	+= board-rut1xx.o