[RESEND PATCH net-next] net: ethernet: ti: cpts: fix build failure for powerpc

[Grygorii Strashko <grygorii.strashko@ti.com>]

Add dependency to TI CPTS from Common CLK framework COMMON_CLK to fix
allyesconfig build for Powerpc:

drivers/net/ethernet/ti/cpts.c: In function 'cpts_of_mux_clk_setup':
drivers/net/ethernet/ti/cpts.c:567:2: error: implicit declaration of function 'of_clk_parent_fill'; did you mean 'of_clk_get_parent_name'? [-Werror=implicit-function-declaration]
  of_clk_parent_fill(refclk_np, parent_names, num_parents);
  ^~~~~~~~~~~~~~~~~~
  of_clk_get_parent_name

Fixes: a3047a81ba13 ("net: ethernet: ti: cpts: add support for ext rftclk selection")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
 Resending due to missed netdev@vger.kernel.org list in prev post.

 drivers/net/ethernet/ti/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
index bd05a977ee7e..a800d3417411 100644
--- a/drivers/net/ethernet/ti/Kconfig
+++ b/drivers/net/ethernet/ti/Kconfig
@@ -60,6 +60,7 @@ config TI_CPSW
 config TI_CPTS
 	bool "TI Common Platform Time Sync (CPTS) Support"
 	depends on TI_CPSW || TI_KEYSTONE_NETCP || COMPILE_TEST
+	depends on COMMON_CLK
 	depends on POSIX_TIMERS
 	---help---
 	  This driver supports the Common Platform Time Sync unit of
-- 
2.17.1