[openwrt/openwrt] ar71xx: remove obsolete '< KERNEL_VERSION(4, 4, 0)' check

[LEDE Commits]

jow pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/82cc4399765f0b9bd15cedae453d6f84c3f46393

commit 82cc4399765f0b9bd15cedae453d6f84c3f46393
Author: Gabor Juhos <juhosg at freemail.hu>
AuthorDate: Tue Jan 9 21:20:14 2018 +0100

    ar71xx: remove obsolete '< KERNEL_VERSION(4, 4, 0)' check
    
    Because the oldest supported kernel version on the ar71xx target is 4.4,
    the condition that the kernel version is smaller than 4.4.0 is always
    false. Remove the obsolete check from mach-rb4xx.c to clean up the code
    a bit.
    
    Signed-off-by: Gabor Juhos <juhosg at freemail.hu>
---
 target/linux/ar71xx/files/arch/mips/ath79/mach-rb4xx.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb4xx.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb4xx.c
index ae0a772..722993f 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb4xx.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb4xx.c
@@ -11,12 +11,7 @@
 
 #include <linux/platform_device.h>
 #include <linux/irq.h>
-#include <linux/version.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,0)
-#include <linux/mdio-gpio.h>
-#else
 #include <linux/platform_data/mdio-gpio.h> 
-#endif
 #include <linux/mmc/host.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>