Add ptp library support in Kconfig
As some of Microchip T1 phys support ptp, add dependency
of 1588 optional flag in Kconfig

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: Divya Koppera <divya.koppera@microchip.com>
---
v5 -> v6
- Renamed the config name to reflect ptp hardware used.

v4 -> v5
Addressed below review comments.
- Indentation fix
- Changed dependency check to if check for PTP_1588_CLOCK_OPTIONAL

v1 -> v2 -> v3 -> v4
- No changes
---
 drivers/net/phy/Kconfig | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 15828f4710a9..4ff6f5474397 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -287,8 +287,15 @@ config MICROCHIP_PHY
 
 config MICROCHIP_T1_PHY
 	tristate "Microchip T1 PHYs"
+	select MICROCHIP_PHY_RDS_PTP if NETWORK_PHY_TIMESTAMPING && \
+				  PTP_1588_CLOCK_OPTIONAL
 	help
-	  Supports the LAN87XX PHYs.
+	  Supports the LAN8XXX PHYs.
+
+config MICROCHIP_PHY_RDS_PTP
+	tristate "Microchip PHY RDS PTP"
+	help
+	  Currently supports LAN887X T1 PHY
 
 config MICROSEMI_PHY
 	tristate "Microsemi PHYs"
-- 
2.17.1