Update qemu_args to use correct CPU

The default ARM CPU emulated by qemu is armv7l.  While this is fine for most packages,
it leads to the wrong opencv and tensorflow being installed.  By emulating the correct
CPU, we're guaranteed to end up with the correct binaries.

Signed-off-by: llamasoft <llamasoft@rm-rf.email>

builder/pwnagotchi.json

@@ -5,7 +5,8 @@
       "type": "arm-image",
       "iso_url": "https://downloads.raspberrypi.org/raspios_oldstable_lite_armhf/images/raspios_oldstable_lite_armhf-2022-04-07/2022-04-04-raspios-buster-armhf-lite.img.xz",
       "iso_checksum": "42fd907a0da36b8a8ce9db9cd1cb77746b6a10c4b77f8d0ae0b8065a3b358a37",
-      "last_partition_extra_size": 3221225472
+      "target_image_size": 6442450944,
+      "qemu_args": ["-cpu", "arm1176"]
     }
   ],
   "provisioners": [

builder/pwnagotchi.yml

@@ -259,18 +259,6 @@
       chdir: /usr/local/src/pwnagotchi
     when: (pwnagotchigit.changed) or (pip_packages['pwnagotchi'] is undefined) or (pip_packages['pwnagotchi'] != pwnagotchi_version)
 
-  - name: install opencv-python
-    pip:
-      name: "https://www.piwheels.org/simple/opencv-python/opencv_python-3.4.3.18-cp37-cp37m-linux_armv6l.whl"
-      extra_args: "--no-deps --no-cache-dir --platform=linux_armv6l --only-binary=:all: --target={{ pip_target.stdout }}"
-    when: (pip_packages['opencv-python'] is undefined) or (pip_packages['opencv-python'] != '3.4.3.18')
-
-  - name: install tensorflow
-    pip:
-      name: "https://www.piwheels.org/simple/tensorflow/tensorflow-1.13.1-cp37-none-linux_armv6l.whl"
-      extra_args: "--no-deps --no-cache-dir --platform=linux_armv6l --only-binary=:all: --target={{ pip_target.stdout }}"
-    when: (pip_packages['tensorflow'] is undefined) or (pip_packages['tensorflow'] != '1.13.1')
-
   - name: install pwnagotchi wheel and dependencies
     pip:
       name: "{{ lookup('fileglob', '/usr/local/src/pwnagotchi/dist/pwnagotchi*.whl') }}"