use stdio if options says so
The additional check cc.has_header('stdio.h') did not work on embedded, when the stdio was provided by picolibc.
@@ -22,8 +22,7 @@ conf.set10('CSP_USE_HMAC', get_option('use_hmac'))
conf.set10('CSP_USE_XTEA', get_option('use_xtea'))
conf.set10('CSP_USE_PROMISC', get_option('use_promisc'))
conf.set10('CSP_USE_DEDUP', get_option('use_dedup'))
-
-conf.set10('CSP_HAVE_STDIO', (cc.has_header('stdio.h') and get_option('have_stdio')))
+conf.set10('CSP_HAVE_STDIO', get_option('have_stdio'))
csp_deps = []
