Update the default chip_crypto to use mbedtls without trustm.

Author: ankk-css

scripts/build/builders/infineon.py

@@ -96,7 +96,7 @@ def __init__(self,
         if enable_trustm:
             self.extra_gn_options.append('chip_crypto=\"platform\"')
         if enable_trustm is False:
-            self.extra_gn_options.append('chip_crypto=\"\"')
+            self.extra_gn_options.append('chip_crypto=\"mbedtls\"')
     def GnBuildArgs(self):
         return self.extra_gn_options