device-purism-librem5dev: Use LCD-friendly dts (!232)

Since a recent kernel update enables the LCD display, this
uses a dts that allows the lcd to function, but drops support
for usb host (since purism does not have an all-in-one dts
yet)

[skip ci]: already built successfully in CI

device/device-purism-librem5dev/APKBUILD

@@ -1,7 +1,7 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname="device-purism-librem5dev"
 pkgdesc="Purism Librem 5 Devkit"
-pkgver=0.3
+pkgver=0.4
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -29,6 +29,6 @@ package() {
 }
 
 
-sha512sums="273eb3660542bdf97f7aa6362f10ba61bfe8146021cb694eb2ddaa3d9ed0180da03665c09164df5340f89cb4e21bd7133ef6bf1ffe6c97b0ca78e264608e0192  deviceinfo
+sha512sums="154b6d487ba8eb1fd073d8bc9db458e8c0db24a7f78102c225917aa310eda4549c8edcffae6d9d9bb88f418708f90bed461c3c69eea2302df3a6869d7c38a68b  deviceinfo
 e52cbb518677070d5933d0d1415916b9a570d80f270edab4f14bd193716fd064b389ff1fed5db7efd9966ea953569a7922c5bee6f15405eaa93838e1c01ae2aa  uboot-script.cmd
 d10531ad6646ad6cfaf8ee1b0cc38f4e5e2eb39599251b75f25e954f1105761d5480d92cbe06ad52560207b883439071db89b19babf046a810360bd07c52c655  modprobe.d_rsi.conf"

device/device-purism-librem5dev/deviceinfo

@@ -6,7 +6,7 @@ deviceinfo_name="Purism Librem 5 Devkit"
 deviceinfo_manufacturer="Purism"
 deviceinfo_codename="purism-librem5dev"
 deviceinfo_date=""
-deviceinfo_dtb="freescale/librem5-evk-usbhost"
+deviceinfo_dtb="freescale/librem5-evk"
 deviceinfo_modules_initfs=""
 deviceinfo_arch="aarch64"