samples: drivers: crypto: fix test failure

The regular expressions used by this test to determine
success or failure get confounded if the log subsystem
drops the wrong messages due to buffers being full.

Just use minimal logging which synchronously logs
everything.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>

samples/drivers/crypto/prj.conf

@@ -7,3 +7,4 @@ CONFIG_CRYPTO=y
 CONFIG_CRYPTO_TINYCRYPT_SHIM=y
 CONFIG_CRYPTO_LOG_LEVEL_DBG=y
 CONFIG_LOG=y
+CONFIG_LOG_MINIMAL=y

samples/drivers/crypto/prj_mtls_shim.conf

@@ -1,4 +1,5 @@
 CONFIG_LOG=y
+CONFIG_LOG_MINIMAL=y
 CONFIG_MBEDTLS=y
 CONFIG_MBEDTLS_BUILTIN=y
 CONFIG_MBEDTLS_CFG_FILE="config-tls-generic.h"

samples/drivers/crypto/sample.yaml

@@ -15,15 +15,15 @@ tests:
       type: multi_line
       regex:
         - ".*: Cipher Sample"
-        - ".*main: CBC Mode"
-        - ".*main: CTR Mode"
-        - ".*main: CCM Mode"
+        - ".*: CBC Mode"
+        - ".*: CTR Mode"
+        - ".*: CCM Mode"
   sample.drivers.crypto.mbedtls.micro:
     tags: crypto
     harness_config:
       type: multi_line
       regex:
         - ".*: Cipher Sample"
-        - ".*main: CBC Mode"
-        - ".*main: CTR Mode"
-        - ".*main: CCM Mode"
+        - ".*: CBC Mode"
+        - ".*: CTR Mode"
+        - ".*: CCM Mode"