ptp: fixup Kconfig for two PHC drivers.

Ben Hutchings recently came up with a better way to handle the kconfig
dependencies for the PTP hardware clocks. This patch converts one new and
one older driver to the new scheme.
Signed-off-by: NRichard Cochran <richardcochran@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/adi/Kconfig

@@ -61,7 +61,7 @@ config BFIN_RX_DESC_NUM
 
 config BFIN_MAC_USE_HWSTAMP
 	bool "Use IEEE 1588 hwstamp"
-	depends on BFIN_MAC && BF518 && PTP_1588_CLOCK && !(BFIN_MAC=y && PTP_1588_CLOCK=m)
+	select PTP_1588_CLOCK
 	default y
 	---help---
 	  To support the IEEE 1588 Precision Time Protocol (PTP), select y here

drivers/net/ethernet/ti/Kconfig

@@ -62,7 +62,7 @@ config TI_CPSW
 
 config TI_CPTS
 	boolean "TI Common Platform Time Sync (CPTS) Support"
-	depends on TI_CPSW && PTP_1588_CLOCK && !(TI_CPSW=y && PTP_1588_CLOCK=m)
+	select PTP_1588_CLOCK
 	---help---
 	  This driver supports the Common Platform Time Sync unit of
 	  the CPSW Ethernet Switch. The unit can time stamp PTP UDP/IPv4