test: add test_bootimg_mtk_mkimage_recovery (MR 2105)

Verify that using a Mediatek recovery boot.img file works with
bootimg_analyze. The mtk_mkimage-boot.img file is the twrp boot.img file
posted in pmbootstrap issue 2066.

test/test_bootimg.py

@@ -86,6 +86,21 @@ def test_bootimg_mtk_mkimage(args):
     assert pmb.parse.bootimg(args, path) == output
 
 
+def test_bootimg_mtk_mkimage_recovery(args):
+    path = pmb_test.const.testdata + "/bootimg/mtk_mkimage-boot-recovery.img"
+    output = {"base": "0x80000000",
+              "kernel_offset": "0x00008000",
+              "ramdisk_offset": "0x04000000",
+              "second_offset": "0x00f00000",
+              "tags_offset": "0x00000100",
+              "pagesize": "2048",
+              "cmdline": "",
+              "qcdt": "false",
+              "mtk_mkimage": "true",
+              "dtb_second": "false"}
+    assert pmb.parse.bootimg(args, path) == output
+
+
 def test_bootimg_dtb_second(args):
     path = pmb_test.const.testdata + "/bootimg/dtb-second-boot.img"
     output = {"base": "0x00000000",