hook: Link with libmali.so

To make sure that the libmali.so is loaded before the initial no-load
dlopen() here.

Fix dlopen() error when linking with libmali-hook.so alone:
FATAL: dlopen(libmali.so.1) failed((null))

Change-Id: I66599d9125322a956470189e926870bb6fcb635c
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>

hook/meson.build

@@ -22,6 +22,7 @@ libhook_cflags = [
 ]
 
 libhook_dep = [
+  mali,
   dependency('threads'),
   cc.find_library('dl', required : false),
   dependency('libdrm', version : '>= 2.4.0'),