layerscape: add patches-5.4

Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/303-core-0006-mm-Re-export-ioremap_page_range.patch b/target/linux/layerscape/patches-5.4/303-core-0006-mm-Re-export-ioremap_page_range.patch
new file mode 100644
index 0000000000..82e75a4c4b
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/303-core-0006-mm-Re-export-ioremap_page_range.patch
@@ -0,0 +1,21 @@
+From ca952acd72964dca53a9f50cf728dd1d31d48117 Mon Sep 17 00:00:00 2001
+From: Jan Kiszka <jan.kiszka@siemens.com>
+Date: Tue, 7 Feb 2017 17:52:00 +0100
+Subject: [PATCH] mm: Re-export ioremap_page_range
+
+We need this in Jailhouse to map at specific virtual addresses, at
+least for the moment.
+
+Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
+(cherry picked from commit 94bb285491a9a9e15c82c0761505b1073d6b7a47)
+---
+ lib/ioremap.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/lib/ioremap.c
++++ b/lib/ioremap.c
+@@ -231,3 +231,4 @@ int ioremap_page_range(unsigned long add
+ 
+ 	return err;
+ }
++EXPORT_SYMBOL_GPL(ioremap_page_range);