Fix pointer type mismatch of handlers

Commit 4c0d03907652 ("Rework type usage in Trusted Firmware") changed
the type usage in struct declarations, but did not touch the definition
side.  Fix the type mismatch.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/services/spd/trusty/trusty.c b/services/spd/trusty/trusty.c
index f5501c9..48a2611 100644
--- a/services/spd/trusty/trusty.c
+++ b/services/spd/trusty/trusty.c
@@ -212,14 +212,14 @@
 	SMC_RET0(handle);
 }
 
-static uint64_t trusty_smc_handler(uint32_t smc_fid,
-			 uint64_t x1,
-			 uint64_t x2,
-			 uint64_t x3,
-			 uint64_t x4,
+static uintptr_t trusty_smc_handler(uint32_t smc_fid,
+			 u_register_t x1,
+			 u_register_t x2,
+			 u_register_t x3,
+			 u_register_t x4,
 			 void *cookie,
 			 void *handle,
-			 uint64_t flags)
+			 u_register_t flags)
 {
 	struct args ret;
 	uint32_t vmid = 0;
@@ -347,14 +347,14 @@
 	}
 }
 
-static int32_t trusty_cpu_off_handler(uint64_t unused)
+static int32_t trusty_cpu_off_handler(u_register_t unused)
 {
 	trusty_cpu_suspend(1);
 
 	return 0;
 }
 
-static void trusty_cpu_on_finish_handler(uint64_t unused)
+static void trusty_cpu_on_finish_handler(u_register_t unused)
 {
 	struct trusty_cpu_ctx *ctx = get_trusty_ctx();
 
@@ -365,12 +365,12 @@
 	}
 }
 
-static void trusty_cpu_suspend_handler(uint64_t unused)
+static void trusty_cpu_suspend_handler(u_register_t unused)
 {
 	trusty_cpu_suspend(0);
 }
 
-static void trusty_cpu_suspend_finish_handler(uint64_t unused)
+static void trusty_cpu_suspend_finish_handler(u_register_t unused)
 {
 	trusty_cpu_resume(0);
 }