raspberrypi0-wifi, raspberrypi3: drop unused KERNEL_DEFCONFIG variables

* KERNEL_DEFCONFIG variable isn't used anywhere since this commit:
  https://github.com/agherzan/meta-raspberrypi/commit/88478c38744e6a57361b438095fee1d808690a00
* it was replaced with KBUILD_DEFCONFIG:
  recipes-kernel/linux/linux-raspberrypi.inc:KBUILD_DEFCONFIG_raspberrypi0-wifi ?= "bcmrpi_defconfig"
  recipes-kernel/linux/linux-raspberrypi.inc:KBUILD_DEFCONFIG_raspberrypi ?= "bcmrpi_defconfig"
  recipes-kernel/linux/linux-raspberrypi.inc:KBUILD_DEFCONFIG_raspberrypi2 ?= "bcm2709_defconfig"
  recipes-kernel/linux/linux-raspberrypi.inc:KBUILD_DEFCONFIG_raspberrypi3 ?= "bcm2709_defconfig"
  recipes-kernel/linux/linux-raspberrypi.inc:KBUILD_DEFCONFIG_raspberrypi3-64 ?= "bcmrpi3_defconfig"

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

2 files changed, 0 insertions, 2 deletions

diff --git a/conf/machine/raspberrypi0-wifi.conf b/conf/machine/raspberrypi0-wifi.conf
index adb2238..beb9c84 100644
--- a/conf/machine/raspberrypi0-wifi.conf
+++ b/conf/machine/raspberrypi0-wifi.conf
@@ -9,7 +9,6 @@ include conf/machine/include/rpi-base.inc
 MACHINE_EXTRA_RRECOMMENDS += "linux-firmware-bcm43430"
 
 SDIMG_KERNELIMAGE ?= "kernel.img"
-KERNEL_DEFCONFIG ?= "bcmrpi_defconfig"
 UBOOT_MACHINE ?= "rpi_config"
 SERIAL_CONSOLE ?= "115200 ttyS0"
 VC4_CMA_SIZE ?= "cma-128"
diff --git a/conf/machine/raspberrypi3.conf b/conf/machine/raspberrypi3.conf
index b511bec..a1c45b0 100644
--- a/conf/machine/raspberrypi3.conf
+++ b/conf/machine/raspberrypi3.conf
@@ -9,7 +9,6 @@ include conf/machine/include/rpi-base.inc
 MACHINE_EXTRA_RRECOMMENDS += "linux-firmware-bcm43430"
 
 SDIMG_KERNELIMAGE ?= "kernel7.img"
-KERNEL_DEFCONFIG ?= "bcm2709_defconfig"
 UBOOT_MACHINE = "rpi_3_32b_config"
 SERIAL_CONSOLE ?= "115200 ttyS0"
 VC4_CMA_SIZE ?= "cma-256"