csky: Fixup compile warning

The function of __va() will return "void *", but the pgd_base is
unsigned long.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Guo Ren 2019-04-22 14:21:09 +08:00
commit 1a23710c71