ARM64: Remove incorrect Kconfig symbol HAVE_SPARSE_IRQ

Kernel does not contain symbol HAVE_SPARSE_IRQ. Definition in arch/arm64/Kconfig seems typo because valid symbol is MAY_HAVE_SPARSE_IRQ.
In any case SPARSE_IRQ is selected by default and we just remove selecting of this symbol.

---
 arch/arm64/Kconfig |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

index 20b688c..c0e93ac 100644
@@ -23,7 +23,6 @@ config ARM64
 	select HAVE_IRQ_WORK
 	select HAVE_MEMBLOCK
 	select HAVE_PERF_EVENTS
-	select HAVE_SPARSE_IRQ
 	select IRQ_DOMAIN
 	select MODULES_USE_ELF_RELA
 	select NO_BOOTMEM

1.7.8.6

Thanks. Applied.

Catalin