Enable SSI on CC3200 (w/o exec)

Disable CGI automatically, as it's never going to work.

PUBLISHED_FROM=37d7abc54be4637dfec5031bc3398e97a1be3090

mongoose.h

@@ -397,6 +397,8 @@ unsigned long os_random(void);
 #define MG_SOCKET_SIMPLELINK 1
 #define MG_DISABLE_SOCKETPAIR 1
 #define MG_DISABLE_SYNC_RESOLVER 1
+#define MG_DISABLE_POPEN 1
+#define MG_DISABLE_CGI 1
 
 #include <simplelink.h>
 
@@ -543,6 +545,8 @@ typedef struct stat cs_stat_t;
 
 #define closesocket(x) sl_Close(x)
 
+#define fileno(x) -1
+
 /* Some functions we implement for Mongoose. */
 
 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);