Update sht20 source code, add both ioctl and read/write API support

guowenxue

2024-03-12 c5e9e88eb8c6039cd2a4d2b3fdae0b1e3d8aea40

 project/socketd/booster/ds18b20.c

@@ -49,7 +49,6 @@
    struct dirent  *direntp;
    int             fd =-1;
    char           *ptr;
    float           value;
    int             found = 0;

    if( !temp )