[inkplate] Rename component and fix grayscale (#10200)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

tests/components/inkplate/common.yaml

@@ -0,0 +1,65 @@
+i2c:
+  - id: i2c_inkplate
+    scl: 16
+    sda: 17
+
+esp32:
+  cpu_frequency: 240MHz
+
+display:
+  - platform: inkplate
+    id: inkplate_display
+    greyscale: false
+    partial_updating: false
+    update_interval: 60s
+    display_data_0_pin:
+      number: 1
+      allow_other_uses: true
+    display_data_1_pin:
+      number: 1
+      allow_other_uses: true
+    display_data_2_pin:
+      number: 1
+      allow_other_uses: true
+    display_data_3_pin:
+      number: 1
+      allow_other_uses: true
+    display_data_5_pin:
+      number: 1
+      allow_other_uses: true
+    display_data_4_pin:
+      number: 1
+      allow_other_uses: true
+    display_data_6_pin:
+      number: 1
+      allow_other_uses: true
+    display_data_7_pin:
+      number: 1
+      allow_other_uses: true
+    ckv_pin:
+      number: 1
+      allow_other_uses: true
+    sph_pin:
+      number: 1
+      allow_other_uses: true
+    gmod_pin:
+      number: 1
+      allow_other_uses: true
+    gpio0_enable_pin:
+      number: 1
+      allow_other_uses: true
+    oe_pin:
+      number: 1
+      allow_other_uses: true
+    spv_pin:
+      number: 1
+      allow_other_uses: true
+    powerup_pin:
+      number: 1
+      allow_other_uses: true
+    wakeup_pin:
+      number: 1
+      allow_other_uses: true
+    vcom_pin:
+      number: 1
+      allow_other_uses: true

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

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+<<: !include common.yaml

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

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+<<: !include common.yaml