dts: arm: microchip: Organize MEC parts into a subfolder

Microchip is adding more non-MEC devices to Zephyr such as
SAM and PIC32. Each device family will have its own subfolder.
We moved the existing MEC DTSI files into a new mec subfolder.
We also updated the existing MEC boards include paths.

Signed-off-by: Scott Worley <scott.worley@microchip.com>

boards/microchip/mec1501modular_assy6885/mec1501modular_assy6885-pinctrl.dtsi

@@ -6,8 +6,8 @@
 
 /dts-v1/;
 
-#include <microchip/mec1501hsz.dtsi>
-#include <microchip/mec152x/mec152xhsz-pinctrl.dtsi>
+#include <microchip/mec/mec1501hsz.dtsi>
+#include <microchip/mec/mec152x/mec152xhsz-pinctrl.dtsi>
 
 &ps2_clk0b_gpio007 {
 	drive-open-drain;

boards/microchip/mec15xxevb_assy6853/mec15xxevb_assy6853-pinctrl.dtsi

@@ -6,8 +6,8 @@
 
 /dts-v1/;
 
-#include <microchip/mec1501hsz.dtsi>
-#include <microchip/mec152x/mec152xhsz-pinctrl.dtsi>
+#include <microchip/mec/mec1501hsz.dtsi>
+#include <microchip/mec/mec152x/mec152xhsz-pinctrl.dtsi>
 
 &ps2_clk0b_gpio007 {
 	drive-open-drain;

boards/microchip/mec172xevb_assy6906/mec172xevb_assy6906.dts

@@ -6,8 +6,8 @@
 
 /dts-v1/;
 
-#include <microchip/mec172xnsz.dtsi>
-#include <microchip/mec172x/mec172xnsz-pinctrl.dtsi>
+#include <microchip/mec/mec172xnsz.dtsi>
+#include <microchip/mec/mec172x/mec172xnsz-pinctrl.dtsi>
 
 / {
 	model = "Microchip MEC172XEVB_ASSY6906 evaluation board";

boards/microchip/mec172xmodular_assy6930/mec172xmodular_assy6930.dts

@@ -6,8 +6,8 @@
 
 /dts-v1/;
 
-#include <microchip/mec172xnsz.dtsi>
-#include <microchip/mec172x/mec172xnsz-pinctrl.dtsi>
+#include <microchip/mec/mec172xnsz.dtsi>
+#include <microchip/mec/mec172x/mec172xnsz-pinctrl.dtsi>
 
 / {
 	model = "Microchip MEC172XMODULAR_ASSY6930 evaluation board";

boards/microchip/mec_assy6941/mec_assy6941_mec1743_qlj.dts

@@ -6,7 +6,7 @@
 
 /dts-v1/;
 
-#include <microchip/mec5_mec1743qlj.dtsi>
+#include <microchip/mec/mec5_mec1743qlj.dtsi>
 #include <microchip/mec5/mec1743qlj-a0-pinctrl.dtsi>
 
 / {

boards/microchip/mec_assy6941/mec_assy6941_mec1743_qsz.dts

@@ -6,7 +6,7 @@
 
 /dts-v1/;
 
-#include <microchip/mec5_mec1743qlj.dtsi>
+#include <microchip/mec/mec5_mec1743qlj.dtsi>
 #include <microchip/mec5/mec1743qlj-a0-pinctrl.dtsi>
 
 / {

boards/microchip/mec_assy6941/mec_assy6941_mec1753_qlj.dts

@@ -6,7 +6,7 @@
 
 /dts-v1/;
 
-#include <microchip/mec5_mec1753qlj.dtsi>
+#include <microchip/mec/mec5_mec1753qlj.dtsi>
 #include <microchip/mec5/mec1753qlj-a0-pinctrl.dtsi>
 
 / {

boards/microchip/mec_assy6941/mec_assy6941_mec1753_qsz.dts

@@ -6,7 +6,7 @@
 
 /dts-v1/;
 
-#include <microchip/mec5_mec1753qsz.dtsi>
+#include <microchip/mec/mec5_mec1753qsz.dtsi>
 #include <microchip/mec5/mec1753qsz-a0-pinctrl.dtsi>
 
 / {