ipq806x: copy files from 4.14 to 4.19

This copies files from files-4.14 to files-4.19 directory in order to
get clear diffs for any changes done from now on.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
[added missing commit description, refreshed ea8500 and wpq864 DTS]
Signed-off-by: Petr Štetiar <ynezz@true.cz>

target/linux/ipq806x/patches-4.19/0070-qcom-spm-fix-probe-order.patch

@@ -0,0 +1,16 @@
+Check for SCM availability before attempting to use SPM
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+
+--- a/drivers/soc/qcom/spm.c
++++ b/drivers/soc/qcom/spm.c
+@@ -219,6 +219,9 @@ static int __init qcom_cpuidle_init(stru
+ 	cpumask_t mask;
+ 	bool use_scm_power_down = false;
+ 
++	if (!qcom_scm_is_available())
++		return -EPROBE_DEFER;
++
+ 	for (i = 0; ; i++) {
+ 		state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i);
+ 		if (!state_node)