fix nightly warning about cfg lints

mbedtls-platform-support/Cargo.toml

@@ -44,3 +44,9 @@ custom_gmtime_r = ["mbedtls-sys-auto/custom_gmtime_r", "chrono"]
 custom_time = ["mbedtls-sys-auto/custom_time", "chrono"]
 force_aesni_support = ["mbedtls-sys-auto/custom_has_support","mbedtls-sys-auto/aes_alt", "aesni"]
 aesni = ["mbedtls-sys-auto/aesni"]
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = [
+    'cfg(sys_threading_component, values("custom"))',
+    'cfg(sys_time_component, values("custom"))',
+] }

mbedtls-sys/Cargo.toml

@@ -72,3 +72,10 @@ custom_time = ["time"]
 custom_gmtime_r = ["time"]
 # deprecated features, these don't do anything anymore, can be removed on major version bump
 pthread = ["threading"]
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = [
+    'cfg(std_component, values("fs"))',
+    'cfg(threading_component, values("pthread"))',
+    'cfg(time_component, values("custom", "libc"))',
+] }

mbedtls/Cargo.toml

@@ -150,4 +150,13 @@ harness = false
 
 [[bench]]
 name = "cipher"
-harness = false
+harness = false
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = [
+    'cfg(nightly)',
+    'cfg(sys_threading_component, values("custom"))',
+    'cfg(sys_time_component, values("custom"))',
+    'cfg(sys_std_component, values("entropy", "net"))',
+    'cfg(time_component, values("custom", "libc"))',
+] }