[spi] Allow any achievable data rate (#12753)

Co-authored-by: clydebarrow <2366188+clydebarrow@users.noreply.github.com>

tests/components/animation/test.rp2040-ard.yaml

@@ -11,3 +11,4 @@ display:
     dc_pin: 21
     reset_pin: 22
     invert_colors: false
+    data_rate: 10MHz

tests/components/chsc6x/test.rp2040-ard.yaml

@@ -9,6 +9,7 @@ display:
     invert_colors: True
     cs_pin: 20
     dc_pin: 21
+    data_rate: 20MHz
     pages:
       - id: page1
         lambda: |-

tests/components/display/common.yaml

@@ -6,6 +6,7 @@ display:
     dc_pin: 13
     reset_pin: 21
     invert_colors: false
+    data_rate: 20MHz
     lambda: |-
       // Draw an analog clock in the center of the screen
       int centerX = it.get_width() / 2;

tests/components/ili9xxx/common.yaml

@@ -11,6 +11,7 @@ display:
     cs_pin: ${cs_pin1}
     dc_pin: ${dc_pin1}
     reset_pin: ${reset_pin1}
+    data_rate: 20MHz
     lambda: |-
       it.rectangle(0, 0, it.get_width(), it.get_height());
   - platform: ili9xxx
@@ -27,5 +28,6 @@ display:
     reset_pin: ${reset_pin2}
     auto_clear_enabled: false
     rotation: 90
+    data_rate: 20MHz
     lambda: |-
       it.fill(Color::WHITE);

tests/components/image/test.rp2040-ard.yaml

@@ -9,6 +9,7 @@ display:
     cs_pin: 20
     dc_pin: 21
     reset_pin: 22
+    data_rate: 20MHz
     invert_colors: true
 
 <<: !include common.yaml

tests/components/online_image/common-rp2040.yaml

@@ -8,6 +8,7 @@ display:
     spi_id: spi_bus
     id: main_lcd
     model: ili9342
+    data_rate: 20MHz
     cs_pin: 20
     dc_pin: 17
     reset_pin: 21

tests/components/qr_code/common.yaml

@@ -5,6 +5,7 @@ display:
     cs_pin: ${cs_pin}
     dc_pin: ${dc_pin}
     reset_pin: ${reset_pin}
+    data_rate: 500kHz
     invert_colors: false
     lambda: |-
       // Draw a QR code in the center of the screen

tests/components/xpt2046/common.yaml

@@ -6,6 +6,7 @@ display:
     cs_pin: ${disp_cs_pin}
     dc_pin: ${dc_pin}
     reset_pin: ${reset_pin}
+    data_rate: 20MHz
     invert_colors: false
     lambda: |-
       it.rectangle(0, 0, it.get_width(), it.get_height());