u-boot: Use a different Key for SPL signing

Duplicate the variables governing u-boot signing so that we can have a
different set of keys/parameters signing the SPL.

(From OE-Core rev: 0e6b0fefa02356afeb11a32dfee7f0c7c250ab7f)

Signed-off-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/classes/uboot-config.bbclass b/meta/classes/uboot-config.bbclass
index 31487c1418..3bba02828b 100644
--- a/meta/classes/uboot-config.bbclass
+++ b/meta/classes/uboot-config.bbclass
@@ -61,6 +61,7 @@ UBOOT_EXTLINUX_SYMLINK ?= "${UBOOT_EXTLINUX_CONF_NAME}-${MACHINE}-${PR}"
 
 # Options for the device tree compiler passed to mkimage '-D' feature:
 UBOOT_MKIMAGE_DTCOPTS ??= ""
+SPL_MKIMAGE_DTCOPTS ??= ""
 
 # mkimage command
 UBOOT_MKIMAGE ?= "uboot-mkimage"
@@ -68,6 +69,7 @@ UBOOT_MKIMAGE_SIGN ?= "${UBOOT_MKIMAGE}"
 
 # Arguments passed to mkimage for signing
 UBOOT_MKIMAGE_SIGN_ARGS ?= ""
+SPL_MKIMAGE_SIGN_ARGS ?= ""
 
 python () {
     ubootmachine = d.getVar("UBOOT_MACHINE")