Move PHYLIB to Kconfig

Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/configs/cm_t335_defconfig b/configs/cm_t335_defconfig
index 7e411a9..a88b2d8 100644
--- a/configs/cm_t335_defconfig
+++ b/configs/cm_t335_defconfig
@@ -52,6 +52,7 @@
 CONFIG_LED_STATUS_BOOT_ENABLE=y
 CONFIG_LED_STATUS_BOOT=0
 CONFIG_MMC_OMAP_HS=y
+CONFIG_PHYLIB=y
 CONFIG_SYS_NS16550=y
 CONFIG_FAT_WRITE=y
 CONFIG_OF_LIBFDT=y