k3r5: Use the ?= default assignment to allow for overrides

Move to setting the values for PREFERRED_PROVIDER using the
?= default assignment so that we can override the setting if
we would like to.

Signed-off-by: Ryan Eatmon <reatmon@ti.com>
Signed-off-by: Massimiliano Minella <massimiliano.minella@se.com>
Acked-by: Chirag Shilwant <c-shilwant@ti.com>
Signed-off-by: Ryan Eatmon <reatmon@ti.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/meta-ti-bsp/conf/machine/include/k3r5.inc b/meta-ti-bsp/conf/machine/include/k3r5.inc
index c5c03cbf..184d3a09 100644
--- a/meta-ti-bsp/conf/machine/include/k3r5.inc
+++ b/meta-ti-bsp/conf/machine/include/k3r5.inc
@@ -11,9 +11,9 @@ require conf/machine/include/arm/armv7a/tune-cortexa8.inc
 # https://git.ti.com/cgit/ti-u-boot/ti-u-boot/tree/doc/board/ti/j721e_evm.rst
 # https://git.ti.com/cgit/ti-u-boot/ti-u-boot/tree/doc/board/ti/am62x_sk.rst
 # https://git.ti.com/cgit/ti-u-boot/ti-u-boot/tree/doc/board/ti/k3.rst
-PREFERRED_PROVIDER_virtual/kernel = "linux-dummy"
-PREFERRED_PROVIDER_virtual/bootloader = "u-boot-ti-staging"
-PREFERRED_PROVIDER_u-boot = "u-boot-ti-staging"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-dummy"
+PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-ti-staging"
+PREFERRED_PROVIDER_u-boot ?= "u-boot-ti-staging"
 
 SPL_SUFFIX = "bin"
 SPL_BINARY = "tiboot3-${SYSFW_SOC}-${SYSFW_SUFFIX}-${SYSFW_CONFIG}.${SPL_SUFFIX}"