ARM:AM33XX: Added timer support

This patch adds timer support for AM33xx platform.

Signed-off-by: Chandan Nath <chandan.nath@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/Makefile b/Makefile
index 684cdb6..9ef33f9 100644
--- a/Makefile
+++ b/Makefile
@@ -289,6 +289,9 @@
 LIBS += api/libapi.o
 LIBS += post/libpost.o
 
+ifeq ($(SOC),am33xx)
+LIBS += $(CPUDIR)/omap-common/libomap-common.o
+endif
 ifeq ($(SOC),omap3)
 LIBS += $(CPUDIR)/omap-common/libomap-common.o
 endif
diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile
index 0b96b47..1dee81f 100644
--- a/arch/arm/cpu/armv7/omap-common/Makefile
+++ b/arch/arm/cpu/armv7/omap-common/Makefile
@@ -29,7 +29,9 @@
 
 COBJS	:= timer.o
 COBJS	+= utils.o
+ifdef CONFIG_OMAP
 COBJS	+= gpio.o
+endif
 
 ifdef CONFIG_SPL_BUILD
 COBJS	+= spl.o