net: phy: microchip_t1: depend on PTP_1588_CLOCK_OPTIONAL

When microchip_t1_phy is built in and phyptp is module
facing undefined reference issue. This get fixed when
microchip_t1_phy made dependent on PTP_1588_CLOCK_OPTIONAL.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501090604.YEoJXCXi-lkp@intel.com
Fixes: fa51199 ("net: phy: microchip_rds_ptp : Add rds ptp library for Microchip phys")
Signed-off-by: Divya Koppera <divya.koppera@microchip.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Link: https://patch.msgid.link/20250110054424.16807-1-divya.koppera@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Author: Divya-Koppera

drivers/net/phy/Kconfig

@@ -287,8 +287,8 @@ config MICROCHIP_PHY
 
 config MICROCHIP_T1_PHY
 	tristate "Microchip T1 PHYs"
-	select MICROCHIP_PHY_RDS_PTP if NETWORK_PHY_TIMESTAMPING && \
-				  PTP_1588_CLOCK_OPTIONAL
+	select MICROCHIP_PHY_RDS_PTP if NETWORK_PHY_TIMESTAMPING
+	depends on PTP_1588_CLOCK_OPTIONAL
 	help
 	  Supports the LAN8XXX PHYs.