configs/beaglebone: uboot needs OpenSSL

Regression builds failed to build uboot due to missing OpenSSL
  library.

Signed-off-by: Lothar Felten <lothar.felten@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit dd5c058a992dc5475daa69774caae06f62863135)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/beaglebone_defconfig

@@ -37,6 +37,7 @@ BR2_TARGET_UBOOT_CUSTOM_VERSION=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.04"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="am335x_evm"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
 # BR2_TARGET_UBOOT_FORMAT_BIN is not set
 BR2_TARGET_UBOOT_FORMAT_IMG=y
 BR2_TARGET_UBOOT_SPL=y