hal: fix typo

__unsed instead of __unused was causing a compiler error

Change-Id: I1eec5c86897aeba066ca48f6b6769ccab8df9f8d
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 6179d01..a1d1e20 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -2209,7 +2209,7 @@
     return 0;
 }
 
-int platform_snd_card_update(void *platform __unsed,
+int platform_snd_card_update(void *platform __unused,
                              card_status_t status __unused)
 {
     return -1;
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index b8efd28..e11db63 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -1113,7 +1113,7 @@
     return 0;
 }
 
-int platform_snd_card_update(void *platform __unsed,
+int platform_snd_card_update(void *platform __unused,
                              card_status_t status __unused)
 {
     return -1;