soc: arm: nxp lpc55xx: fix nxp,ctimer-pwm init procedure (attach clock)

Add clock init for nxp-ctimer-pwm DTS nodes.

Signed-off-by: Maxime Vincent <maxime@veemax.be>
(cherry picked from commit 3a895ec)

soc/nxp/lpc/lpc55xxx/soc.c

@@ -269,6 +269,8 @@ static ALWAYS_INLINE void clock_init(void)
 
 DT_FOREACH_STATUS_OKAY(nxp_lpc_ctimer, CTIMER_CLOCK_SETUP)
 
+DT_FOREACH_STATUS_OKAY(nxp_ctimer_pwm, CTIMER_CLOCK_SETUP)
+
 #if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm6), nxp_lpc_i2s, okay))
 #if defined(CONFIG_SOC_LPC55S36)
 	CLOCK_SetClkDiv(kCLOCK_DivFlexcom6Clk, 0U, true);