cleanup: TF-A: Remove already merged patches for TF-A

* fix(plat/tc): increase tc_tzc_dram1_size ==> upstreamed as 7e3f6a87d74efec780c0832c0535dd64ef830cfa
* plat: tc: Increase maximum BL2 size ==> change is already in the upstream
* feat(plat/tc): use smmu 700 ==> upstreamed as ed80eab6a686ce1042300cfbdb90e13366aa08d4
* feat(plat/tc): change the properties of optee reserved memory ==> upstreamed as 2fff46c80fe4aa27cd55ad4bfbe43c3823095259

Signed-off-by: Tintu Thomas <tintu.thomas@arm.com>