uboot-mediatek: fix build for MT7629

Add patch to fix build failure caused by a missing header which had
previously been implicitely included.

Fixes: 6ddb5f5a65 ("uboot-mediatek: update to version 2023.07.02")
Signed-off-by: Daniel Golle <[email protected]>

package/boot/uboot-mediatek/patches/102-ram-mediatek-include-linux-sizes.h-for-SZ_-macros.patch

@@ -0,0 +1,47 @@
+From 4bd66fd5b69eda41b4320fd6f8db50a7b7fa7bf7 Mon Sep 17 00:00:00 2001
+Message-ID: <4bd66fd5b69eda41b4320fd6f8db50a7b7fa7bf7.1690828424.git.daniel@makrotopia.org>
+From: Daniel Golle <[email protected]>
+Date: Mon, 31 Jul 2023 19:25:04 +0100
+Subject: [PATCH] ram: mediatek: include <linux/sizes.h> for SZ_* macros
+To: Ryder Lee <[email protected]>,
+    Weijie Gao <[email protected]>,
+    Chunfeng Yun <[email protected]>,
+    GSS_MTK_Uboot_upstream <[email protected]>,
+    [email protected]
+
+Something between U-Boot 2023.04 and 2023.07.02 resulted in no longer
+implicitely including <linux/sizes.h> in the DDR3 RAM driver for the
+MT7929 SoC. The result is a build failure:
+drivers/ram/mediatek/ddr3-mt7629.c: In function 'mtk_ddr3_get_info':
+drivers/ram/mediatek/ddr3-mt7629.c:734:30: error: 'SZ_128M' undeclared (first use in this function)
+  734 |                 info->size = SZ_128M;
+      |                              ^~~~~~~
+drivers/ram/mediatek/ddr3-mt7629.c:734:30: note: each undeclared identifier is reported only once for each function it appears in
+drivers/ram/mediatek/ddr3-mt7629.c:737:30: error: 'SZ_256M' undeclared (first use in this function)
+  737 |                 info->size = SZ_256M;
+      |                              ^~~~~~~
+drivers/ram/mediatek/ddr3-mt7629.c:740:30: error: 'SZ_512M' undeclared (first use in this function)
+  740 |                 info->size = SZ_512M;
+      |                              ^~~~~~~
+drivers/ram/mediatek/ddr3-mt7629.c:743:30: error: 'SZ_1G' undeclared (first use in this function)
+  743 |                 info->size = SZ_1G;
+      |                              ^~~~~
+
+Include <linux/sizes.h> so SZ_* is defined.
+
+Reported-by: Tianling Shen <[email protected]>
+Signed-off-by: Daniel Golle <[email protected]>
+---
+ drivers/ram/mediatek/ddr3-mt7629.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/ram/mediatek/ddr3-mt7629.c
++++ b/drivers/ram/mediatek/ddr3-mt7629.c
+@@ -14,6 +14,7 @@
+ #include <asm/io.h>
+ #include <linux/bitops.h>
+ #include <linux/delay.h>
++#include <linux/sizes.h>
+ 
+ /* EMI */
+ #define EMI_CONA			0x000