package/cmocka/Config.in: bool argument needs quotation marks

Fixes the following error/warnings with kconfig from linux-6.9-rc5:

  package/cmocka/Config.in:2: syntax error
  package/cmocka/Config.in:2: invalid statement
  package/cmocka/Config.in:3: invalid statement
  package/cmocka/Config.in:4: invalid statement
  [...]

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/cmocka/Config.in

@@ -1,5 +1,5 @@
 config BR2_PACKAGE_CMOCKA
-	bool cmocka
+	bool "cmocka"
 	depends on !BR2_STATIC_LIBS
 	help
 	  cmocka is an elegant unit testing framework for C with support