uboot-lantiq: danube: fix hanging lzma kernel uncompression #2

Follow up to commit 565b62cca2fc7d27f1f1584c44830a6e5c4f0f61. Managed to
hit the very same issue again while playing with the NOR SPL builds.

Signed-off-by: Mathias Kresin <[email protected]>

package/boot/uboot-lantiq/patches/0030-lzma-force-8bit-reads.patch

@@ -37,6 +37,15 @@ Signed-off-by: Mathias Kresin <[email protected]>
  
  #define kNumTopBits 24
  #define kTopValue ((UInt32)1 << kNumTopBits)
+@@ -703,7 +704,7 @@ static ELzmaDummy LzmaDec_TryDummy(const
+ 
+ static void LzmaDec_InitRc(CLzmaDec *p, const Byte *data)
+ {
+-  p->code = ((UInt32)data[1] << 24) | ((UInt32)data[2] << 16) | ((UInt32)data[3] << 8) | ((UInt32)data[4]);
++  p->code = ((UInt32)readb(&data[1]) << 24) | ((UInt32)readb(&data[2]) << 16) | ((UInt32)readb(&data[3]) << 8) | ((UInt32)readb(&data[4]));
+   p->range = 0xFFFFFFFF;
+   p->needFlush = 0;
+ }
 @@ -929,7 +930,7 @@ SRes LzmaProps_Decode(CLzmaProps *p, con
    if (size < LZMA_PROPS_SIZE)
      return SZ_ERROR_UNSUPPORTED;