Simplify raspi-firmware management.

raspi3-firmware was buster-only.

generate-recipe.py

@@ -41,7 +41,6 @@ elif version in ['3', '4']:
     dtb = '/usr/lib/linux-image-*-arm64/broadcom/bcm*rpi*.dtb'
 
 # APT and default firmware (name + handling)
-raspi_firmware = 'raspi-firmware'
 fix_firmware = False
 
 # Bookworm introduced the 'non-free-firmware' component¹; before that,
@@ -157,7 +156,6 @@ with open('raspi_master.yaml', 'r') as in_file:
             .replace('__LINUX_IMAGE__', linux) \
             .replace('__DTB__', dtb) \
             .replace('__SYSTEMD_TIMESYNCD__', systemd_timesyncd) \
-            .replace('__RASPI_FIRMWARE__', raspi_firmware) \
             .replace('__WIRELESS_FIRMWARE__', wireless_firmware) \
             .replace('__BLUETOOTH_FIRMWARE__', bluetooth_firmware) \
             .replace('__SERIAL_CONSOLE__', serial) \

raspi_master.yaml

@@ -79,7 +79,7 @@ steps:
       - wpasupplicant
       - __SYSTEMD_TIMESYNCD__
       - __LINUX_IMAGE__
-      - __RASPI_FIRMWARE__
+      - raspi-firmware
       - __WIRELESS_FIRMWARE__
       - __BLUETOOTH_FIRMWARE__
     tag: tag-root