uboot-mvebu: update to v2021.07

Refresh the patches.
Switch to AUTORELEASE while at it.

Signed-off-by: Andre Heider <a.heider@gmail.com>

package/boot/uboot-mvebu/Makefile

@@ -8,10 +8,10 @@
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
-PKG_VERSION:=2021.01
-PKG_RELEASE:=1
+PKG_VERSION:=2021.07
+PKG_RELEASE:=$(AUTORELEASE)
 
-PKG_HASH:=b407e1510a74e863b8b5cb42a24625344f0e0c2fc7582d8c866bd899367d0454
+PKG_HASH:=312b7eeae44581d1362c3a3f02c28d806647756c82ba8c72241c7cdbe68ba77e
 
 include $(INCLUDE_DIR)/u-boot.mk
 include $(INCLUDE_DIR)/package.mk

package/boot/uboot-mvebu/patches/210-link-libcrypto-static.patch

@@ -3,7 +3,7 @@ needed dependencies are added too.
 
 --- a/tools/Makefile
 +++ b/tools/Makefile
-@@ -158,7 +158,7 @@ ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CON
+@@ -168,7 +168,7 @@ ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CON
  HOSTCFLAGS_kwbimage.o += \
  	$(shell pkg-config --cflags libssl libcrypto 2> /dev/null || echo "")
  HOSTLDLIBS_mkimage += \