package/libp11: fix help text

Fixes a check-package warning:

package/libp11/Config.in.host:4: help text: <tab><2 spaces><62 chars>
 (http://nightly.buildroot.org/#writing-rules-config-in)

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Trent Piepho <tpiepho@impinj.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libp11/Config.in.host

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_HOST_LIBP11
 	bool "host libp11"
 	help
-	  OpenSSL engine for PKCS#11 modules.  Part of the OpenSC project.
+	  OpenSSL engine for PKCS#11 modules. Part of the OpenSC
+	  project.
 
 	  https://github.com/OpenSC/OpenSC/wiki