device-kobo-clara: enable autodetection of board revs a vs b

These two board revisions differ in regulator settings, so
detect them to avoid magic smoke.

device/testing/device-kobo-clara/APKBUILD

@@ -2,7 +2,7 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-kobo-clara
 pkgdesc="Kobo Clara HD"
-pkgver=1
+pkgver=2
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -30,6 +30,6 @@ package() {
 }
 
 sha512sums="
-b93b62ac7af499e9170dc78329ae6092fb79a3657a62ea1ee5b383a6ccc596e36382c1156f8d168aa1de89dc7bf3e5b9f266a49f56c51233aac8cc598facde68  deviceinfo
+b4b294767cf54299ae20b2f0a9520bd53ebae57e968f213f3f6216b3405868fa8bd78193d4e7652a7d3809f8d81343a2642cce1d85afbf4ec47c783e75629dbc  deviceinfo
 5d53ee902538e53c4fe79eaef8e3800b9d3f73ec70d2a9887ddb11a6715ca76ce17128e3c02c2b6f2f575fb86f15c2415c24466d4b1a031f7a346d0db186dcb1  modules-initfs
 "

device/testing/device-kobo-clara/deviceinfo

@@ -8,7 +8,7 @@ deviceinfo_manufacturer="Kobo"
 deviceinfo_codename="kobo-clara"
 deviceinfo_year="2018"
 deviceinfo_arch="armv7"
-deviceinfo_dtb="imx6sll-kobo-clarahd"
+deviceinfo_dtb="imx6sll-kobo-clarahd imx6sll-kobo-clarahd-b"
 deviceinfo_kernel_cmdline="console=ttymxc0,115200"
 deviceinfo_generate_extlinux_config="true"
 

device/testing/u-boot-kobo-clara/APKBUILD

@@ -2,7 +2,7 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=u-boot-kobo-clara
 pkgver=2023.10
-pkgrel=0
+pkgrel=1
 pkgdesc="U-Boot for Kobo Clara HD"
 arch="armv7"
 _carch="arm"
@@ -13,7 +13,7 @@ options="!check !tracedeps pmb:cross-native"
 
 install="$pkgname.post-upgrade"
 _repository="u-boot-fslc"
-_commit="a3816f6b51b5dc9083af4142ca5f3a4e4a235336"
+_commit="3247fa27aed27bb5ac24bd9966fd7dadd9c4c373"
 source="
 	$pkgname-$_commit.tar.gz::https://github.com/akemnade/$_repository/archive/$_commit.tar.gz
 "
@@ -36,5 +36,5 @@ package() {
 }
 
 sha512sums="
-d1db014fa889e76aeb83099f7573f5ec89c8e6f69a6273b9528fd485ffcbe34e102ee0c492554807e160a5bd669bf799db2b5a906045fea35b16c0677a377989  u-boot-kobo-clara-a3816f6b51b5dc9083af4142ca5f3a4e4a235336.tar.gz
+725f689bd5bd00f3b484830e5db9be51af6ed6f5644463e646db2c412f5878361e887ed4f3b3083a3e16f0915c909af22081cb52fd8541ac2953e1f77ffc5940  u-boot-kobo-clara-3247fa27aed27bb5ac24bd9966fd7dadd9c4c373.tar.gz
 "