Convert CONFIG_SYS_FSL_NUM_CC_PLLS to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_FSL_NUM_CC_PLLS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ten64_tfa_defconfig b/configs/ten64_tfa_defconfig
index dad6c2d..9d58c4f 100644
--- a/configs/ten64_tfa_defconfig
+++ b/configs/ten64_tfa_defconfig
@@ -13,6 +13,7 @@
 CONFIG_SEC_FIRMWARE_ARMV8_PSCI=y
 CONFIG_TEN64_CONTROLLER=y
 CONFIG_AHCI=y
+CONFIG_SYS_FSL_NUM_CC_PLLS=3
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_MP=y
 CONFIG_FIT_VERBOSE=y