Use SPCI types in more places in Linux driver.

Change-Id: I8627603b3743b2516f5ed88292b4fbe77a2f9acf
diff --git a/driver/linux b/driver/linux
index 3eeb1de..4c96d0c 160000
--- a/driver/linux
+++ b/driver/linux
@@ -1 +1 @@
-Subproject commit 3eeb1de32dc117cf58114ca7775b94a2197b0b2f
+Subproject commit 4c96d0c02815e07a54a52e46db472cfa5af57941