Add/update Cisco Meraki MS250 switches and associated PSUs (#879)

module-types/Cisco/Meraki-MA-PWR-1025WAC.yaml

@@ -0,0 +1,9 @@
+---
+manufacturer: Cisco
+model: MA-PWR-1025WAC
+part_number: MA-PWR-1025WAC
+comments: '[1025W power supply unit product information](https://meraki.cisco.com/product/switches/switches-accessories/switches-accessories-power/1025-watt-power-supply/)'
+power-ports:
+  - name: PSU{module}
+    type: iec-60320-c14
+    maximum_draw: 1025

module-types/Cisco/Meraki-MA-PWR-250WAC.yaml

@@ -0,0 +1,9 @@
+---
+manufacturer: Cisco
+model: MA-PWR-250WAC
+part_number: MA-PWR-250WAC
+comments: '[250W power supply unit product information](https://meraki.cisco.com/product/security-sd-wan/appliances-accessories/ma-pwr-250wac/)'
+power-ports:
+  - name: PSU{module}
+    type: iec-60320-c14
+    maximum_draw: 250

module-types/Cisco/Meraki-MA-PWR-640WAC.yaml

@@ -0,0 +1,9 @@
+---
+manufacturer: Cisco
+model: MA-PWR-640WAC
+part_number: MA-PWR-640WAC
+comments: '[640W power supply unit product information](https://meraki.cisco.com/product/switches/switches-accessories/switches-accessories-power/640-watt-power-supply/)'
+power-ports:
+  - name: PSU{module}
+    type: iec-60320-c16
+    maximum_draw: 640