Move ALLOC_CACHE_ALIGN_BUFFER() to the new memalign.h header

Now that we have a new header file for cache-aligned allocation, we should
move the stack-based allocation macro there also.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c
index 85236ae..541c0f9 100644
--- a/drivers/usb/host/dwc2.c
+++ b/drivers/usb/host/dwc2.c
@@ -10,6 +10,7 @@
 #include <errno.h>
 #include <usb.h>
 #include <malloc.h>
+#include <memalign.h>
 #include <phys2bus.h>
 #include <usbroothubdes.h>
 #include <asm/io.h>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 88b670b..135ef72 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -15,6 +15,7 @@
 #include <usb.h>
 #include <asm/io.h>
 #include <malloc.h>
+#include <memalign.h>
 #include <watchdog.h>
 #include <linux/compiler.h>
 
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 0ffd838..9bde2b2 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -41,6 +41,7 @@
 #endif
 
 #include <malloc.h>
+#include <memalign.h>
 #include <usb.h>
 
 #include "ohci.h"
diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c
index b17a7d7..c66ebb6 100644
--- a/drivers/usb/host/usb-uclass.c
+++ b/drivers/usb/host/usb-uclass.c
@@ -10,6 +10,7 @@
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
+#include <memalign.h>
 #include <usb.h>
 #include <dm/device-internal.h>
 #include <dm/lists.h>