ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files.

Order of inclusion of .h files must be: <linux/...>, <asm/...>, <plat/...>,
<mach/...>. This patch corrects this ordering whereever it is not followed.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>