i386: Remove inline asm symbols from .dynsym

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/cpu/i386/cpu.c b/cpu/i386/cpu.c
index 8baf37d..4b68105 100644
--- a/cpu/i386/cpu.c
+++ b/cpu/i386/cpu.c
@@ -73,6 +73,8 @@
 
 /* segment 0x70 is an arbitrary segment which does not exist */
 asm(".globl generate_gpf\n"
+    ".hidden generate_gpf\n"
+    ".type generate_gpf, @function\n"
     "generate_gpf:\n"
     "ljmp   $0x70, $0x47114711\n");