Group component tests to reduce CI time (#11134)

tests/test_build_components/common/spi/esp32-c3-idf.yaml

@@ -0,0 +1,15 @@
+# Common SPI configuration for ESP32-C3 IDF tests
+# Provides a shared SPI bus that all components can use
+# Components will auto-use this bus if they don't specify spi_id
+# CS pins are component-specific
+
+substitutions:
+  clk_pin: GPIO4
+  mosi_pin: GPIO6
+  miso_pin: GPIO5
+
+spi:
+  - id: spi_bus
+    clk_pin: ${clk_pin}
+    mosi_pin: ${mosi_pin}
+    miso_pin: ${miso_pin}