don't include local mbedtls, silabs has their own

jepler · jepler · commit f2aba464c778 · 2023-12-22T19:28:18.000-06:00
diff --git a/ports/silabs/mpconfigport.mk b/ports/silabs/mpconfigport.mk
@@ -34,4 +34,6 @@ ifeq ($(MCU_SERIES),MG24)
         CIRCUITPY_USB = 0
 endif
 
+CIRCUITPY_HASHLIB_MBEDTLS_ONLY = 0
+
 CIRCUITPY_BUILD_EXTENSIONS ?= bin
