drivers/rng/sandbox_rng.c requires rand() to be defined but configuration
option CONFIG_CONFIG_LIB_RAND selected in drivers/rng/Kconfig does not
exist.

test/lib/test_aes.c requires rand() to be defined.

Fix the selection criteria for choice "Pseudo-random library support type".

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
 drivers/rng/Kconfig | 1 -
 lib/Kconfig         | 3 ++-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rng/Kconfig b/drivers/rng/Kconfig
index 35a3bd192a..893b89d49b 100644
--- a/drivers/rng/Kconfig
+++ b/drivers/rng/Kconfig
@@ -9,7 +9,6 @@ config DM_RNG
 config RNG_SANDBOX
        bool "Sandbox random number generator"
        depends on SANDBOX && DM_RNG
-       select CONFIG_LIB_RAND
        help
          Enable random number generator for sandbox. This is an
          emulation of a rng device.
diff --git a/lib/Kconfig b/lib/Kconfig
index d040a87d26..ab6aff710d 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -150,7 +150,8 @@ config REGEX

 choice
        prompt "Pseudo-random library support type"
-       depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID
+       depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \
+                  RNG_SANDBOX || UT_LIB && AES
        default LIB_RAND
        help
          Select the library to provide pseudo-random number generator
--
2.24.1

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