[Buildroot] [git commit branch/next] configs/raspberrypicm4io_64_defconfig: fix typo (missing '=y')

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=96886e0851dc568ddbed845bf3e47bbd70a891b1
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/next

Signed-off-by: Peter Seiderer <ps.report at gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 configs/raspberrypicm4io_64_defconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configs/raspberrypicm4io_64_defconfig b/configs/raspberrypicm4io_64_defconfig
index 62512ad7c5..304428ec64 100644
--- a/configs/raspberrypicm4io_64_defconfig
+++ b/configs/raspberrypicm4io_64_defconfig
@@ -29,7 +29,7 @@ BR2_PACKAGE_HOST_GENIMAGE=y
 BR2_PACKAGE_HOST_MTOOLS=y
 
 # Required tool to flash CM4 eMMC memory
-BR2_PACKAGE_HOST_RASPBERRYPI_USBBOOT
+BR2_PACKAGE_HOST_RASPBERRYPI_USBBOOT=y
 
 # Filesystem / image
 BR2_TARGET_ROOTFS_EXT2=y