include: Add NXP LPC clock control driver

DTS bindings file for NXP LPC clock control driver that
uses the MCUX SDK drivers

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>

include/dt-bindings/clock/mcux_lpc_syscon_clock.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2020, NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_MCUX_LPC_SYSCON_H_
+#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_MCUX_LPC_SYSCON_H_
+
+#define MCUX_FLEXCOMM0_CLK		0
+#define MCUX_FLEXCOMM1_CLK		1
+#define MCUX_FLEXCOMM2_CLK		2
+#define MCUX_FLEXCOMM3_CLK		3
+#define MCUX_FLEXCOMM4_CLK		4
+#define MCUX_FLEXCOMM5_CLK		5
+#define MCUX_FLEXCOMM6_CLK		6
+#define MCUX_FLEXCOMM7_CLK		7
+#define MCUX_HS_SPI_CLK		8
+
+#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_MCUX_LPC_SYSCON_H_ */