arm64: ilp32: Make the Kconfig option default y

The intention of the ILP32 branches is to enable ILP32 by default. This
default is to be revisited for upstream merging.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index a81ad3e..b3402e1 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1086,6 +1086,7 @@
 
 config ARM64_ILP32
 	bool "Kernel support for ILP32"
+	default y
 	help
 	  This option enables support for AArch64 ILP32 user space.  ILP32
 	  is an ABI where long and pointers are 32bits but it uses the AARCH64