Introduce new varible used for testings

Signed-off-by: Igor <igor@armbian.com>

config/boards/README.md

@@ -74,6 +74,7 @@ If you are unsure about the documentation then invoke `$ grep -r -A5 -B5 "BUILD_
 		- edge: Use edge kernel
 		- [branch]: Use specified [branch] kernel
 		- [none]: Exits with error
+- **KERNEL_TEST_TARGET** ( comma-separated list of kernel releases or branches ): if test targets are different for testings (internal switch)
 - **FULL_DESKTOP** ( boolean ): defines whether to install desktop stack of applications such as office, thunderbird, etc..
 	- Values:
 		- yes: install desktop stack

config/boards/orangepizero2.conf

@@ -8,6 +8,7 @@ MODULES_BLACKLIST="lima"
 DEFAULT_CONSOLE="serial"
 HAS_VIDEO_OUTPUT="no"
 SERIALCON="ttyS0"
-KERNEL_TARGET="current,edge"
+KERNEL_TARGET="legacy,current,edge"
+KERNEL_TEST_TARGET="current,edge" # in case different then kernel target
 PACKAGE_LIST_BOARD="rfkill bluetooth bluez bluez-tools"
 FORCE_BOOTSCRIPT_UPDATE="yes"

config/boards/pineh64.csc

@@ -4,4 +4,5 @@ BOARDFAMILY="sun50iw6"
 BOARD_MAINTAINER=""
 BOOTCONFIG="pine_h64_defconfig"
 KERNEL_TARGET="legacy,current,edge"
+KERNEL_TEST_TARGET="current,edge" # in case different then kernel target
 CRUSTCONFIG="h6_defconfig"