pc-bios/meson: Add hppa-firmware64.img blob

Add the missing 64-bit hppa firmware blob so that it gets installed.

Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: 7c0dfcf939 ("target/hppa: Update SeaBIOS-hppa to version 16")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

pc-bios/meson.build

@@ -73,6 +73,7 @@ blobs = [
   'qemu_vga.ndrv',
   'edk2-licenses.txt',
   'hppa-firmware.img',
+  'hppa-firmware64.img',
   'opensbi-riscv32-generic-fw_dynamic.bin',
   'opensbi-riscv64-generic-fw_dynamic.bin',
   'npcm7xx_bootrom.bin',