device-epson-embt2ws: Disable GPT (MR 5982)

Disable GPT to be able to chainload stuff on uSD from vendor u-boot on
internal eMMC. The vendor u-boot does not support GPT.
If booting is done by reprogramming the boot order or zeroing internal
bootloader, GPT is no problem.

[ci:skip-build]: already built successfully in CI

device/testing/device-epson-embt2ws/APKBUILD

@@ -2,7 +2,7 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-epson-embt2ws
 pkgdesc="Epson Moverio BT-200"
-pkgver=1
+pkgver=2
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -35,7 +35,7 @@ package() {
 }
 
 sha512sums="
-9b4b61df13463565f18044672690ffd559d89121dda8b84930f7f78829f18565e4c91d5e5eb921a035825abdd7aa18f0aa2bf99edfd432e631f277cf17eb1c4e  deviceinfo
+8a4f612172384c498d472e322829774902a7c1acd40646bb393662c2b5de9fc24a2f058718950efd8aea2c5b765ebb50ea99ef8ac60955dcabf5cf065e5de73a  deviceinfo
 e6d26536578432bd1d9123d3b3eb621e39d5475e5ce9086c42fae213be6fa05d56bd6b42d08f6f5afccffe5b01ca940239c11b8046e0be1a5962ac95a0b0dfa4  modules-initfs
 2c3a39107dd6c061d001d11211b816fc0e1fb060e0bcbf0fcf057d7910a7dcc4d1d06c6b0572ee0d616f1d06679ca48872395f62c1f44f5460cceefbbd2b5050  sdboot.cmd
 "

device/testing/device-epson-embt2ws/deviceinfo

@@ -24,5 +24,9 @@ deviceinfo_boot_filesystem="fat32"
 deviceinfo_getty="ttyS2;115200"
 deviceinfo_no_framebuffer="true"
 
+# for using the sdboot.scr mechanism to chainload stuff from internal u-boot,
+# GPT does not work, if a standalone u-boot install is used, GPT is ok.
+deviceinfo_partition_type="msdos"
+
 deviceinfo_sd_embed_firmware_step_size="512"
 deviceinfo_sd_embed_firmware="u-boot/epson-embt2ws/MLO:256,u-boot/epson-embt2ws/u-boot.img:512"