package/dacapo: fix indentation

package/dacapo: fix indentation

Fixes errors reported by running 'make check-package':
    package/dacapo/Config.in:2: should be indented with one tab (http://nightly.buildroot.org/#_config_files)
    package/dacapo/Config.in:3: should be indented with one tab (http://nightly.buildroot.org/#_config_files)
    package/dacapo/Config.in:4: should be indented with one tab (http://nightly.buildroot.org/#_config_files)
    package/dacapo/Config.in:5: help text: <tab><2 spaces><62 chars> (http://nightly.buildroot.org/#writing-rules-config-in)
    package/dacapo/Config.in:6: help text: <tab><2 spaces><62 chars> (http://nightly.buildroot.org/#writing-rules-config-in)
    package/dacapo/Config.in:7: help text: <tab><2 spaces><62 chars> (http://nightly.buildroot.org/#writing-rules-config-in)
    package/dacapo/Config.in:12: should be indented with one tab (http://nightly.buildroot.org/#_config_files)

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Daniel J. Leach <dleach@belcan.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>