parisc: switch to saner kernel_execve() semantics

ACKed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index c779da7..0aec70c 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -23,6 +23,7 @@
 	select HAVE_MOD_ARCH_SPECIFIC
 	select MODULES_USE_ELF_RELA
 	select GENERIC_KERNEL_THREAD
+	select GENERIC_KERNEL_EXECVE
 
 	help
 	  The PA-RISC microprocessor is designed by Hewlett-Packard and used