QE: Move QE from arch/powerpc to drivers/soc

ls1 has qe and ls1 has arm cpu.
move qe from arch/powerpc to drivers/soc/fsl
to adapt to powerpc and arm

Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 73190f5..1a7dc3c 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -31,7 +31,7 @@
 #include <linux/dma-mapping.h>
 
 #include <linux/fs_uart_pd.h>
-#include <asm/ucc_slow.h>
+#include <soc/fsl/qe/ucc_slow.h>
 
 #include <linux/firmware.h>
 #include <asm/reg.h>