sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Add SOC_ALTERA_* kernel options per each SoC and use it to
conditionally compile the code.

Reviewed by: andrew
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D9836

Add support for Intel Arria 10 SoC Development Kit.
Use standard DTS files for SOCKIT and SOCDK.

Sponsored by: DARPA, AFRL

Add support for PLATFORM and PLATFORM_SMP to the Altera SOCFPGA SoC. This
will help with moving it to GENERIC.

Reviewed by: br
Sponsored by: ABT Systems Ltd
Differential Revision: https://reviews.freebsd.org/D9461

Remove bus_dma_get_range and bus_dma_get_range_nb on armv6. We only need
this on a few earlier arm SoCs.

Reviewed by: manu (earlier version)
Sponsored by: ABT Systems Ltd

Move arm's devmap to some generic place, so it can be used
by other architectures.

Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D6091
Sponsored by: DARPA, AFRL
Sponsored by: HEIF5

o Add PIO and vtblk mmio device info to the tree
o Add FPGA memory window to static dev mappings
o Fix whitespace

o Add machine-dependent SMP part
o Enable SMP

Sponsored by: DARPA, AFRL

Add driver for Synopsys DesignWare Mobile Storage Host Controller.

Sponsored by: DARPA, AFRL

Add initial support for Altera SOCFPGA (heterogeneous ARM/FPGA) SoC family.
Include board configuration for Terasic SoCKit (Altera Cyclone V).

Sponsored by: DARPA, AFRL