Reset the Elecrow's GT911 the way Elecrow's own V3.0 example does (0.2.96, firmware 0.2.82)

The 2 ms reset of ESPHome's expander support (0.2.81) left the chip silent: "Calibration error" with the PCA9557
answering at 0x18. A component of smart_display's (elecrow_touch_reset.h, setup priority 700: after the I2C bus,
before the GT911 driver) writes the expander as Elecrow's V3.0 ESPHome example does: every pin an output and low,
20 ms, the reset released, 100 ms, the interrupt line back to an input. The driver's reset and interrupt pins are gone.

tests/test_elecrow.py

@@ -57,10 +57,15 @@ class BoardFile(unittest.TestCase):
         self.assertIn('pin: GPIO2', TEXT)
         # The USB pins are the touch I2C: the header that frees them.
         self.assertIn('<esphome/components/smart_display/elecrow_usb_phy.h>', TEXT)
-        # The V3.0's PCA9557 (as ESPHome's pca9554, the same registers) brings the GT911 out of reset (firmware 0.2.81).
-        self.assertIn('address: 0x18', TEXT)
-        for pin, number in (('reset_pin', 0), ('interrupt_pin', 1)):
-            self.assertIn(f'  {pin}:\n    pca9554: touch_expander\n    number: {number}', TEXT)
+        # The V3.0's PCA9557 brings the GT911 out of reset before the driver runs (firmware 0.2.82).
+        self.assertIn('  elecrow_touch_reset:\n    i2c_id: touch_bus\n    address: 0x18', TEXT)
+        code = '\n'.join(line for line in TEXT.split('\n') if not line.lstrip().startswith('#'))
+        self.assertNotIn('reset_pin', code)
+        self.assertNotIn('interrupt_pin', code)
+        header = (ROOT / 'components/smart_display/elecrow_touch_reset.h').read_text()
+        for step in ('write(0x03, 0x00)', 'write(0x01, 0x00)', 'delay(20)', 'write(0x01, 0x01)', 'delay(100)', 'write(0x03, 0x02)'):
+            self.assertIn(step, header)
+        self.assertIn('return 700.0f', header)
         self.assertIn('assertion_level: SILENT', TEXT)
 
     def test_the_flash_fits_by_three_measures(self):