message: doc: rpi3: FIx path to kernel zImage
diff: @@ -18,7 +18,7 @@ export KERNEL_MODULES_PATH=kernel_modules_location
  make bcm2709_defconfig
  make -j4 dtbs zImage modules
  make -j4 modules_install INSTALL_MOD_PATH=${KERNEL_MODULES_PATH}
  -cp ./arch/arm/zImage <sd card boot partition>/kernel7.img
  +cp ./arch/arm/boot/zImage <sd card boot partition>/kernel7.img
  ```
  #### Building the Rootfs
  