ARM: omap3_logic: Make CONFIG_SYS_TEXT_BASE match README.omap3
README.omap3 has two options. For option 1, CONFIG_SYS_TEXT_BASE
is set to 0x80100000. Option 2 lists 0x80008000. The existing
value is neither of these, so this patch makes it equivalent to
Option 1.
Signed-off-by: Adam Ford <aford173@gmail.com>