ARM: omap2plus_defconfig: enable support for TI CPTS

CPTS module of CPSW IP enables timestamp synchronization
using PTP. Enable CPTS feature of CPSW driver.

Available on AM335x, AM437x and DRA7x SoCs.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/configs/omap2plus_defconfig

@@ -169,6 +169,7 @@ CONFIG_SMSC911X=y
 # CONFIG_NET_VENDOR_STMICRO is not set
 CONFIG_TI_DAVINCI_EMAC=y
 CONFIG_TI_CPSW=y
+CONFIG_TI_CPTS=y
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_AT803X_PHY=y