DEVELOPERS: re-assign libiio to Paul Cercueil's personal address

Paul Cercueil's address @analog.com is bouncing, so let's use his
personal e-mail address instead for the libiio package.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

DEVELOPERS

@@ -1278,10 +1278,8 @@ F:	package/google-breakpad/
 N:	Patrick Gerber <kpa_info@yahoo.fr>
 F:	package/yavta/
 
-N:	Paul Cercueil <paul.cercueil@analog.com>
-F:	package/libiio/
-
 N:	Paul Cercueil <paul@crapouillou.net>
+F:	package/libiio/
 F:	package/lightning/
 
 N:	Pedro Aguilar <paguilar@paguilar.org>