sourceparts-pocketpc: fix u-boot-tools name (MR 3882)

uboot-tools was the previous name of the package I think.

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

device/testing/device-sourceparts-pocketpc/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=device-sourceparts-pocketpc
 pkgdesc="Source Parts Pocket P.C."
 pkgver=0.1
-pkgrel=2
+pkgrel=3
 url="https://postmarketos.org"
 license="MIT"
 arch="aarch64"
@@ -11,7 +11,7 @@ depends="
 	linux-sourceparts-pocketpc
 	postmarketos-base
 	u-boot-sourceparts-pocketpc
-	uboot-tools
+	u-boot-tools
 "
 makedepends="devicepkg-dev"
 source="