Add support for MCP4461 quad i2c digipot/rheostat (#8180)

Co-authored-by: Oliver Kleinecke <kleinecke.oliver@googlemail.com>
Co-authored-by: Djordje Mandic <6750655+DjordjeMandic@users.noreply.github.com>
Co-authored-by: Keith Burzinski <kbx81x@gmail.com>

tests/components/mcp4461/common.yaml

@@ -0,0 +1,28 @@
+i2c:
+  - id: i2c_mcp4461
+    sda: ${sda_pin}
+    scl: ${scl_pin}
+
+mcp4461:
+  - id: mcp4461_digipot_01
+
+output:
+  - platform: mcp4461
+    id: digipot_wiper_1
+    mcp4461_id: mcp4461_digipot_01
+    channel: A
+
+  - platform: mcp4461
+    id: digipot_wiper_2
+    mcp4461_id: mcp4461_digipot_01
+    channel: B
+
+  - platform: mcp4461
+    id: digipot_wiper_3
+    mcp4461_id: mcp4461_digipot_01
+    channel: C
+
+  - platform: mcp4461
+    id: digipot_wiper_4
+    mcp4461_id: mcp4461_digipot_01
+    channel: D

tests/components/mcp4461/test.esp32-ard.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  sda_pin: GPIO16
+  scl_pin: GPIO17
+
+<<: !include common.yaml

tests/components/mcp4461/test.esp32-c3-ard.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  sda_pin: GPIO4
+  scl_pin: GPIO5
+
+<<: !include common.yaml

tests/components/mcp4461/test.esp32-c3-idf.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  sda_pin: GPIO4
+  scl_pin: GPIO5
+
+<<: !include common.yaml

tests/components/mcp4461/test.esp32-idf.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  sda_pin: GPIO16
+  scl_pin: GPIO17
+
+<<: !include common.yaml

tests/components/mcp4461/test.esp8266-ard.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  sda_pin: GPIO4
+  scl_pin: GPIO5
+
+<<: !include common.yaml