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/MAINTAINERS b/MAINTAINERS
index 409d7db..a07af6b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1549,8 +1549,8 @@
 L: qemu-ppc@nongnu.org
 L: qemu-arm@nongnu.org
 S: Odd Fixes
-F: hw/misc/pca955*.c
-F: include/hw/misc/pca955*.h
+F: hw/gpio/pca955*.c
+F: include/hw/gpio/pca955*.h
 
 virtex_ml507
 M: Edgar E. Iglesias <edgar.iglesias@gmail.com>