Holman WX8: mirror bits in dp 120

Bits were defined as left to right in order as the bits are written,
rather than LSB to MSB that is more conventional.  Some evidence shows
that LSB to MSB is more correct, though there are still some irregularities.

Comments on PR #1566

custom_components/tuya_local/devices/holman_wx8_irrigation_controller.yaml

@@ -138,7 +138,7 @@ secondary_entities:
         name: sensor
         type: bitfield
         mapping:
-          - dps_val: 128
+          - dps_val: 1
             value: true
           - value: false
   - entity: binary_sensor
@@ -150,7 +150,7 @@ secondary_entities:
         name: sensor
         type: bitfield
         mapping:
-          - dps_val: 64
+          - dps_val: 2
             value: true
           - value: false
   - entity: binary_sensor
@@ -160,7 +160,7 @@ secondary_entities:
         name: sensor
         type: bitfield
         mapping:
-          - dps_val: 32
+          - dps_val: 4
             value: true
           - value: false
   - entity: binary_sensor
@@ -171,7 +171,7 @@ secondary_entities:
         name: sensor
         type: bitfield
         mapping:
-          - dps_val: 16
+          - dps_val: 8
             value: true
           - value: false
   - entity: binary_sensor
@@ -183,7 +183,7 @@ secondary_entities:
         name: sensor
         type: bitfield
         mapping:
-          - dps_val: 4
+          - dps_val: 32
             value: true
           - value: false
   - entity: binary_sensor
@@ -195,7 +195,7 @@ secondary_entities:
         name: sensor
         type: bitfield
         mapping:
-          - dps_val: 2
+          - dps_val: 64
             value: true
           - value: false
   - entity: binary_sensor
@@ -206,7 +206,7 @@ secondary_entities:
         name: sensor
         type: bitfield
         mapping:
-          - dps_val: 1
+          - dps_val: 128
             value: true
           - value: false
   - entity: sensor