swiotlb: Convert swiotlb_force from int to enum

Convert the flag swiotlb_force from an int to an enum, to prepare for
the advent of more possible values.

Suggested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

path: root/tools/build/feature/test-libelf-getshdrstrndx.c

#include <libelf.h>

int main(void)
{
	size_t dst;

	return elf_getshdrstrndx(0, &dst);
}