x86: typo segement

%s/segement/segment/

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/i386/cpu.c b/arch/x86/cpu/i386/cpu.c
index 7517b75..6fa0f4d 100644
--- a/arch/x86/cpu/i386/cpu.c
+++ b/arch/x86/cpu/i386/cpu.c
@@ -175,7 +175,7 @@
  * Per Intel FSP external architecture specification, before calling any FSP
  * APIs, we need make sure the system is in flat 32-bit mode and both the code
  * and data selectors should have full 4GB access range. Here we reuse the one
- * we used in arch/x86/cpu/start16.S, and reload the segement registers.
+ * we used in arch/x86/cpu/start16.S, and reload the segment registers.
  */
 void setup_fsp_gdt(void)
 {