docs: add time64 status of uClibc-ng

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

docs/manual/faq-troubleshooting.adoc

@@ -253,9 +253,10 @@ There are multiple situations to consider:
 
  * On 32-bit architectures, the situation depends on the C library:
 
- ** With _uclibc-ng_, there is no support for 64-bit +time_t+ on
-    32-bit architectures, so systems using _uclibc-ng_ on 32-bit
-    platforms will not be Y2038 compatible.
+ ** With _uclibc-ng_, there is support for 64-bit +time_t+ on 32-bit
+    architectures since version 1.0.46, so systems using _uclibc-ng_
+    on 32-bit platforms will be Y2038 compatible when
+    UCLIBC_USE_TIME64 is y.  This is the default since 1.0.49.
 
  ** With _musl_, 64-bit +time_t+ has always been used on 32-bit
     architectures, so systems using _musl_ on 32-bit platforms are