temp/u-boot-pinephone: disable too fast fast dram clock speed (MR 1351)

Fixes https://gitlab.com/postmarketOS/pmaports/-/issues/547 and
https://gitlab.com/postmarketOS/pmaports/-/issues/606. See also
https://forum.pine64.org/showthread.php?tid=9832.

temp/u-boot-pinephone/APKBUILD

@@ -2,7 +2,7 @@
 
 pkgname=u-boot-pinephone
 pkgver=2020.04_git20200421
-pkgrel=0
+pkgrel=1
 _commit="e813d3d71d0edf1f1522ccfd1e689d35f3e9a0f6"
 pkgdesc="u-boot bootloader for the PINE64 PinePhone"
 url="https://gitlab.com/pine64-org/u-boot"
@@ -13,7 +13,6 @@ makedepends="$depends_dev bc dtc python3-dev swig bison flex openssl-dev arm-tru
 options="!check"
 source="
 	$pkgname-$_commit.tar.gz::https://gitlab.com/pine64-org/u-boot/-/archive/$_commit/u-boot-$_commit.tar.gz
-	dram-speed.patch
 	"
 builddir="$srcdir"/u-boot-$_commit
 
@@ -36,5 +35,4 @@ package() {
 }
 
 
-sha512sums="afcd9409713bc46cb978641d8c64f5fbee992c89520e7f2626a3a9a8d61837c78bbf4bf3fc6ea5e468cafaeeda9c532b64e154fec7c9f4032783eca97e113ac7  u-boot-pinephone-e813d3d71d0edf1f1522ccfd1e689d35f3e9a0f6.tar.gz
-0331e05f9077eb4c8219b5fa804a8372a0ca20957cacfdff618d2045f64949581418aef4dfef2e87c31ca218c9ac22e20cf8021b679c5fa7cfb9f89876da02fa  dram-speed.patch"
+sha512sums="afcd9409713bc46cb978641d8c64f5fbee992c89520e7f2626a3a9a8d61837c78bbf4bf3fc6ea5e468cafaeeda9c532b64e154fec7c9f4032783eca97e113ac7  u-boot-pinephone-e813d3d71d0edf1f1522ccfd1e689d35f3e9a0f6.tar.gz"

temp/u-boot-pinephone/dram-speed.patch

@@ -1,13 +0,0 @@
-diff --git a/configs/pinephone_defconfig b/configs/pinephone_defconfig
-index f4b9f6adaa..ad5bff5132 100644
---- a/configs/pinephone_defconfig
-+++ b/configs/pinephone_defconfig
-@@ -5,7 +5,7 @@ CONFIG_SPL=y
- CONFIG_IDENT_STRING=""
- CONFIG_MACH_SUN50I=y
- CONFIG_SUNXI_DRAM_LPDDR3_STOCK=y
--CONFIG_DRAM_CLK=552
-+CONFIG_DRAM_CLK=624
- CONFIG_DRAM_ZQ=3881949
- CONFIG_MMC_SUNXI_SLOT_EXTRA=2
- # CONFIG_VIDEO_DE2 is not set