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/ls1088ardb_tfa_SECURE_BOOT_defconfig b/configs/ls1088ardb_tfa_SECURE_BOOT_defconfig
index 347cc60..aabd4fb 100644
--- a/configs/ls1088ardb_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1088ardb_tfa_SECURE_BOOT_defconfig
@@ -19,6 +19,7 @@
 CONFIG_VID_FLS_ENV="ls1088ardb_vdd_mv"
 CONFIG_VOL_MONITOR_LTC3882_READ=y
 CONFIG_VOL_MONITOR_LTC3882_SET=y
+CONFIG_SYS_FSL_NUM_CC_PLLS=3
 CONFIG_FSL_QIXIS=y
 CONFIG_SYS_MEMTEST_START=0x80000000
 CONFIG_SYS_MEMTEST_END=0x9fffffff