Merge pull request #218 from JacobBarthelmeh/cross

fix typo and update configure options

Author: dgarske

wolfSSL/src/chapter02.md

@@ -286,15 +286,15 @@ your executable path:
 
 ```sh
 ./configure \
-  --host=arm-non-eabi \
+  --host=arm-none-eabi \
   CC=arm-none-eabi-gcc \
   AR=arm-none-eabi-ar \
   STRIP=arm-none-eabi-strip \
   RANLIB=arm-none-eabi-ranlib \
   --prefix=/path/to/build/wolfssl-arm \
   CFLAGS="-march=armv8-a --specs=nosys.specs \
-      -DHAVE_PK_CALLBACKS -DWOLFSSL_USER_IO -DNO_WRITEV" \
-  --disable-filesystem --enable-fastmath \
+      -DHAVE_PK_CALLBACKS -DWOLFSSL_USER_IO -DWOLFSSL_NO_SOCK -DNO_WRITEV" \
+  --disable-filesystem --enable-crypttests \
   --disable-shared
 make
 make install