configs: orangepi_pc_plus_defconfig: U-Boot requires OpenSSL

Building U-Boot for OrangePi PC Plus requires host OpenSSL.
Build error is masked only because Linux kernel is built
before U-Boot for this specific image configuration were
wireless driver is enabled.

Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

configs/orangepi_pc_plus_defconfig

@@ -26,6 +26,7 @@ BR2_TARGET_UBOOT_BOARD_DEFCONFIG="orangepi_pc_plus"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
 BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
 BR2_TARGET_UBOOT_SPL=y
 BR2_TARGET_UBOOT_SPL_NAME="u-boot-sunxi-with-spl.bin"
 BR2_PACKAGE_HOST_GENIMAGE=y