USB: isp1362: better 64bit printf warning fixes

Some hosts that treat the return value of sizeof differently from unsigned
long might still hit warnings.  So use %zu for sizeof() values.  This is a
better version of the previous commit b0a9cf29.

Signed-off-by: Lothar Wassmann <LW@KARO-electronics.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>