misc/pca955*: Move models under hw/gpio

The PCA9552 and PCA9554 devices are both I2C GPIO controllers and the
PCA9552 also can drive LEDs. Do all the necessary adjustments to move
the models under hw/gpio.

Cc: Glenn Miles <milesg@linux.vnet.ibm.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20240325134833.1484265-1-clg@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/hw/gpio/meson.build b/hw/gpio/meson.build
index 791e93a..a7495d1 100644
--- a/hw/gpio/meson.build
+++ b/hw/gpio/meson.build
@@ -2,6 +2,8 @@
 system_ss.add(when: 'CONFIG_GPIO_MPC8XXX', if_true: files('mpc8xxx.c'))
 system_ss.add(when: 'CONFIG_GPIO_PWR', if_true: files('gpio_pwr.c'))
 system_ss.add(when: 'CONFIG_MAX7310', if_true: files('max7310.c'))
+system_ss.add(when: 'CONFIG_PCA9552', if_true: files('pca9552.c'))
+system_ss.add(when: 'CONFIG_PCA9554', if_true: files('pca9554.c'))
 system_ss.add(when: 'CONFIG_PL061', if_true: files('pl061.c'))
 system_ss.add(when: 'CONFIG_ZAURUS', if_true: files('zaurus.c'))