linux: zImage target no longer available on x86

The legacy zImage target for x86 was removed from the kernel in 2.6.30,
and we state in Config.in that we'll use bzImage if BR2_PACKAGE_LINUX_FORMAT
isn't set, so ensure we do so for x86.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

target/linux/Makefile.in

@@ -10,7 +10,7 @@ ifeq ($(DOWNLOAD_LINUX26_VERSION),)
 # User did not define linux version, try using headers
 ifeq ($(LINUX_HEADERS_VERSION),)
 # We did not have headers (this is for real???)
-# Version of linuc before patches
+# Version of linux before patches
 DOWNLOAD_LINUX26_VERSION=2.6.22.1
 # Version of Linux after applying any patches
 LINUX26_VERSION=2.6.22.1
@@ -44,9 +44,14 @@ ifndef LINUX26_FORMAT
 ifneq ($(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT)),)
 LINUX26_FORMAT=$(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT))
 else
+ifneq ($(filter i386 x86-64,$(KERNEL_ARCH)),)
+# zImage target no longer available on x86 since 2.6.30
+LINUX26_FORMAT=bzImage
+else
 LINUX26_FORMAT=zImage
 endif
 endif
+endif
 
 # Has to be set by the target/device
 ifndef LINUX26_BINLOC

target/linux/Makefile.in.advanced

@@ -111,9 +111,14 @@ ifndef LINUX26_FORMAT
 ifneq ($(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT)),)
 LINUX26_FORMAT:=$(call qstrip,$(BR2_PACKAGE_LINUX_FORMAT))
 else
+ifneq ($(filter i386 x86-64,$(KERNEL_ARCH)),)
+# zImage target no longer available on x86 since 2.6.30
+LINUX26_FORMAT=bzImage
+else
 LINUX26_FORMAT:=zImage
 endif
 endif
+endif
 
 # -----------------------------------------------------------------------------
 # Has to be set by the target/device