ARM: omap3: evm: Name this directory omap3evm

Before this was named just evm, which doesn't match the naming
of the other TI board file directory and makes it look like a
common directory for evms. Name this omap3evm.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Derald Woods <woods.technical@gmail.com>
diff --git a/arch/arm/mach-omap2/omap3/Kconfig b/arch/arm/mach-omap2/omap3/Kconfig
index 3e97ec2..671e479 100644
--- a/arch/arm/mach-omap2/omap3/Kconfig
+++ b/arch/arm/mach-omap2/omap3/Kconfig
@@ -163,7 +163,7 @@
 source "board/logicpd/am3517evm/Kconfig"
 source "board/ti/beagle/Kconfig"
 source "board/timll/devkit8000/Kconfig"
-source "board/ti/evm/Kconfig"
+source "board/ti/omap3evm/Kconfig"
 source "board/isee/igep00x0/Kconfig"
 source "board/logicpd/omap3som/Kconfig"
 source "board/nokia/rx51/Kconfig"