arch: Add SYSVIPC_COMPAT for all architectures

The existing per-arch definitions are pretty much historic cruft.
Move SYSVIPC_COMPAT into init/Kconfig.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Helge Deller <deller@gmx.de>  # parisc
Link: https://lore.kernel.org/r/20220405071314.3225832-5-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/init/Kconfig b/init/Kconfig
index ddcbefe..9fa3ee6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -390,6 +390,10 @@
 	depends on SYSCTL
 	default y
 
+config SYSVIPC_COMPAT
+	def_bool y
+	depends on COMPAT && SYSVIPC
+
 config POSIX_MQUEUE
 	bool "POSIX Message Queues"
 	depends on NET