x86/Kconfig: Document release year of glibc 2.3.3

I wonder how many people were checking their glibc version when
considering whether to enable this option.

Signed-off-by: Mateusz Jończyk <[email protected]>
Signed-off-by: David Heidelberg <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Linus Torvalds <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: matjon

arch/x86/Kconfig

@@ -2213,7 +2213,7 @@ config HOTPLUG_CPU
 
 config COMPAT_VDSO
 	def_bool n
-	prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)"
+	prompt "Workaround for glibc 2.3.2 / 2.3.3 (released in year 2003/2004)"
 	depends on COMPAT_32
 	help
 	  Certain buggy versions of glibc will crash if they are