gemini: drop Linux 4.1 support

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch

@@ -1,66 +0,0 @@
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -399,6 +399,7 @@ config ARCH_GEMINI
- 	select CLKSRC_MMIO
- 	select CPU_FA526
- 	select GENERIC_CLOCKEVENTS
-+	select MIGHT_HAVE_PCI
- 	help
- 	  Support for the Cortina Systems Gemini family SoCs
- 
---- a/arch/arm/mach-gemini/include/mach/hardware.h
-+++ b/arch/arm/mach-gemini/include/mach/hardware.h
-@@ -68,4 +68,9 @@
-  */
- #define IO_ADDRESS(x)	IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
- 
-+/*
-+ * PCI subsystem macros
-+ */
-+#define pcibios_assign_all_busses()	1
-+
- #endif
---- a/arch/arm/mach-gemini/include/mach/irqs.h
-+++ b/arch/arm/mach-gemini/include/mach/irqs.h
-@@ -43,11 +43,14 @@
- 
- #define NORMAL_IRQ_NUM	32
- 
--#define GPIO_IRQ_BASE	NORMAL_IRQ_NUM
-+#define PCI_IRQ_BASE	NORMAL_IRQ_NUM
-+#define PCI_IRQ_NUM	4
-+
-+#define GPIO_IRQ_BASE	(NORMAL_IRQ_NUM + PCI_IRQ_NUM)
- #define GPIO_IRQ_NUM	(3 * 32)
- 
- #define ARCH_TIMER_IRQ	IRQ_TIMER2
- 
--#define NR_IRQS		(NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
-+#define NR_IRQS		(NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
- 
- #endif /* __MACH_IRQS_H__ */
---- a/arch/arm/mach-gemini/Makefile
-+++ b/arch/arm/mach-gemini/Makefile
-@@ -6,6 +6,8 @@
- 
- obj-y			:= irq.o mm.o time.o devices.o gpio.o idle.o reset.o
- 
-+obj-$(CONFIG_PCI)	+= pci.o
-+
- # Board-specific support
- obj-$(CONFIG_MACH_NAS4220B)	+= board-nas4220b.o
- obj-$(CONFIG_MACH_RUT100)	+= board-rut1xx.o
---- a/arch/arm/mach-gemini/mm.c
-+++ b/arch/arm/mach-gemini/mm.c
-@@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
- 		.length		= SZ_512K,
- 		.type 		= MT_DEVICE,
- 	}, {
-+		.virtual	= (unsigned long)IO_ADDRESS(GEMINI_PCI_IO_BASE),
-+		.pfn		= __phys_to_pfn(GEMINI_PCI_IO_BASE),
-+		.length		= SZ_512K,
-+		.type 		= MT_DEVICE,
-+	}, {
- 		.virtual	= (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
- 		.pfn		= __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
- 		.length		= SZ_512K,