Convert CONFIG_RESET_PHY_R to Kconfig

This converts the following to Kconfig:
   CONFIG_RESET_PHY_R

Cc: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/openrd_client_defconfig b/configs/openrd_client_defconfig
index 208deb4..876c292 100644
--- a/configs/openrd_client_defconfig
+++ b/configs/openrd_client_defconfig
@@ -21,6 +21,7 @@
 CONFIG_USE_PREBOOT=y
 CONFIG_LOGLEVEL=2
 # CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_RESET_PHY_R=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_IDE=y
 CONFIG_CMD_MMC=y