arch/linux-generic: Allow overriding E_FLAGS
arch/linux-generic: Allow overriding E_FLAGS

Signed-off-by: Mike Holmes <ed44c09f4d7f698f5510adc894a872c73e08c8bd@linaro.org>

nmorey/odp,rsalveti/odp,robbieking64/odp-crypto,nmorey/odp,ravineet-singh/odp,ravineet-singh/odp,robbieking64/odp-crypto,dkrot/odp,rsalveti/odp,kalray/odp-mppa,mike-holmes-linaro/odp,kalray/odp-mppa,rsalveti/odp,kalray/odp-mppa,kalray/odp-mppa,mike-holmes-linaro/odp,erachmi/odp,erachmi/odp,nmorey/odp,erachmi/odp,ravineet-singh/odp,robbieking64/odp-crypto,mike-holmes-linaro/odp,kalray/odp-mppa,rsalveti/odp,mike-holmes-linaro/odp,dkrot/odp,ravineet-singh/odp,robbieking64/odp-crypto,dkrot/odp,dkrot/odp,kalray/odp-mppa,kalray/odp-mppa,erachmi/odp,nmorey/odp,rsalveti/odp